The M51 Whirpool Galaxy (Credit: NASA, ESA, S. Beckwith/STScI and the Hubble Heritage Team/STScI/AURA)Sign up for our email newsletter for the latest science news1 free article leftWant More? Get unlimited access for as low as $1.99/monthAlready a subscriber? or Want more?Keep reading for as low as $1.99!Already a subscriber? or Related ContentStay CuriousJoinOur ListSign up for our weekly science updates.SubscribeTo The MagazineSave up to the cover price when you subscribe to Discover magazine.…The M51 Whirpool Galaxy (Credit: NASA, ESA, S. Beckwith/STScI and the Hubble Heritage Team/STScI/AURA)Sign up for our email newsletter for the latest science news1 free article leftWant More? Get unlimited access for as low as $1.99/monthAlready a subscriber? or Want more?Keep reading for as low as $1.99!Already a subscriber? or Related ContentStay CuriousJoinOur ListSign up for our weekly science updates.SubscribeTo The MagazineSave up to the cover price when you subscribe to Discover magazine.WW…

XLog InCreate an AccountXYour email address is used to log in and will not be shared or sold. ContinueXApply codeIf you are a Zinio, Nook, Kindle, Apple, or Google Play subscriber, you can enter your website access code to gain subscriber access. Your website access code is located in the upper right corner of the Table of Contents page of your digital edition.Log InEssential tremor can often interfere with everyday tasks. (Credit: Shutterstock.com)Sign up for our email newsletter for the latest science newsSign up for the NewsletterScientists say they’ve figured out what causes essential...…XLog InCreate an AccountXYour email address is used to log in and will not be shared or sold. ContinueXApply codeIf you are a Zinio, Nook, Kindle, Apple, or Google Play subscriber, you can enter your website access code to gain subscriber access. Your website access code is located in the upper right corner of the Table of Contents page of your digital edition.Log InEssential tremor can often interfere with everyday tasks. (Credit: Shutterstock.com)Sign up for our email newsletter for the latest science newsSign up for the NewsletterScientists say they’ve figured out what causes essential...WW…

Moon Village, as seen in this artist's illustration, is a concept lunar outpost that would 3D-print protective shells around inflatable habitats using lunar soil. New research shows that urea, a compound found in urine, can function as a valuable additive to such 3D-printed structures. (Credit: ESA, Foster and Partners)Sign up for our email newsletter for the latest science newsIn the new research, scientists 3D-printed geopolymer cylinders using a range of different formulas. They found that a geopolymer mix using 3 percent urea (left) — which is found in urine — as a plasticizer was...…Moon Village, as seen in this artist's illustration, is a concept lunar outpost that would 3D-print protective shells around inflatable habitats using lunar soil. New research shows that urea, a compound found in urine, can function as a valuable additive to such 3D-printed structures. (Credit: ESA, Foster and Partners)Sign up for our email newsletter for the latest science newsIn the new research, scientists 3D-printed geopolymer cylinders using a range of different formulas. They found that a geopolymer mix using 3 percent urea (left) — which is found in urine — as a plasticizer was...WW…

A waxworm, the larvae of the greater wax moth. (Credit: Kuttelvaserova Stuchelova/Shutterstock)Sign up for our email newsletter for the latest science newsGreater wax moth caterpillars munch on a plastic bag. (Credit: Harald Grove/Brandon University)Greater wax moth caterpillar larvae eat a plastic bag. (Credit: Harald Grove/Brandon University)1 free article leftWant More? Get unlimited access for as low as $1.99/monthAlready a subscriber? or Want more?Keep reading for as low as $1.99!Already a subscriber? or Related ContentStay CuriousJoinOur ListSign up for our weekly science...…A waxworm, the larvae of the greater wax moth. (Credit: Kuttelvaserova Stuchelova/Shutterstock)Sign up for our email newsletter for the latest science newsGreater wax moth caterpillars munch on a plastic bag. (Credit: Harald Grove/Brandon University)Greater wax moth caterpillar larvae eat a plastic bag. (Credit: Harald Grove/Brandon University)1 free article leftWant More? Get unlimited access for as low as $1.99/monthAlready a subscriber? or Want more?Keep reading for as low as $1.99!Already a subscriber? or Related ContentStay CuriousJoinOur ListSign up for our weekly science...WW…

Alpha, Beta and Proxima Centauri (circled). (Credit: CC BY-SA 3.0)Sign up for our email newsletter for the latest science newsAn artist’s rendering of the James Webb Space Telescope. (Credit: Northrup Gruman) An Orion propulsion schematic. (Credit: NASA) An artist’s concept of a toroidal space colony that could accommodate 10,000 people. (Credit: NASA) An artist’s conception of an artificial womb system. (Credit: Genetic Literacy Project) 1 free article leftWant More? Get unlimited access for as low as $1.99/monthAlready a subscriber? or Want...…Alpha, Beta and Proxima Centauri (circled). (Credit: CC BY-SA 3.0)Sign up for our email newsletter for the latest science newsAn artist’s rendering of the James Webb Space Telescope. (Credit: Northrup Gruman) An Orion propulsion schematic. (Credit: NASA) An artist’s concept of a toroidal space colony that could accommodate 10,000 people. (Credit: NASA) An artist’s conception of an artificial womb system. (Credit: Genetic Literacy Project) 1 free article leftWant More? Get unlimited access for as low as $1.99/monthAlready a subscriber? or Want...WW…

NASA scientists say that Ceres, a dwarf planet in the Asteroid Belt, is still holding onto pockets of a subsurface, liquid water ocean. (Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA)Sign up for our email newsletter for the latest science newsOccator Crater stretches across 57 miles (92 kilometers) in Ceres' northern hemisphere. Astronomers think the bright spots inside its walls formed when a space rock smashed into the dwarf planet, excavating a briny liquid from below. (Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA)Near the end of its mission, NASA's Dawn spacecraft captured intimate details of...…NASA scientists say that Ceres, a dwarf planet in the Asteroid Belt, is still holding onto pockets of a subsurface, liquid water ocean. (Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA)Sign up for our email newsletter for the latest science newsOccator Crater stretches across 57 miles (92 kilometers) in Ceres' northern hemisphere. Astronomers think the bright spots inside its walls formed when a space rock smashed into the dwarf planet, excavating a briny liquid from below. (Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA)Near the end of its mission, NASA's Dawn spacecraft captured intimate details of...WW…

This artist's concept shows the hypothetical super-Earth known as Planet Nine or Planet X, which some researchers think lurks far beyond Pluto in the outer reaches of the solar system. (Credit: R. Hurt/IPAC/Caltech)Sign up for our email newsletter for the latest science newsOver the past decade or so, astronomers have discovered a number of far-flung objects that all have very similar perihelia, meaning they make their closest approaches to the sun at about the same location in space. One leading theory that attempts to explain the clustering is that a massive and unseen world known as...…This artist's concept shows the hypothetical super-Earth known as Planet Nine or Planet X, which some researchers think lurks far beyond Pluto in the outer reaches of the solar system. (Credit: R. Hurt/IPAC/Caltech)Sign up for our email newsletter for the latest science newsOver the past decade or so, astronomers have discovered a number of far-flung objects that all have very similar perihelia, meaning they make their closest approaches to the sun at about the same location in space. One leading theory that attempts to explain the clustering is that a massive and unseen world known as...WW…

Sign up for our email newsletter for the latest science news1 free article leftWant More? Get unlimited access for as low as $1.99/monthAlready a subscriber? or Want more?Keep reading for as low as $1.99!Already a subscriber? or Related ContentStay CuriousJoinOur ListSign up for our weekly science updates.SubscribeTo The MagazineSave up to the cover price when you subscribe to Discover magazine.…Sign up for our email newsletter for the latest science news1 free article leftWant More? Get unlimited access for as low as $1.99/monthAlready a subscriber? or Want more?Keep reading for as low as $1.99!Already a subscriber? or Related ContentStay CuriousJoinOur ListSign up for our weekly science updates.SubscribeTo The MagazineSave up to the cover price when you subscribe to Discover magazine.WW…

XLog InCreate an AccountXYour email address is used to log in and will not be shared or sold. ContinueXApply codeIf you are a Zinio, Nook, Kindle, Apple, or Google Play subscriber, you can enter your website access code to gain subscriber access. Your website access code is located in the upper right corner of the Table of Contents page of your digital edition.Log In(Credit: Metamorworks/Shutterstock)Sign up for our email newsletter for the latest science newsSign up for the Newsletterhis article appeared in Discover’s annual state of science issue as “With 5G, It's All About...…XLog InCreate an AccountXYour email address is used to log in and will not be shared or sold. ContinueXApply codeIf you are a Zinio, Nook, Kindle, Apple, or Google Play subscriber, you can enter your website access code to gain subscriber access. Your website access code is located in the upper right corner of the Table of Contents page of your digital edition.Log In(Credit: Metamorworks/Shutterstock)Sign up for our email newsletter for the latest science newsSign up for the Newsletterhis article appeared in Discover’s annual state of science issue as “With 5G, It's All About...WW…

Sign up for our email newsletter for the latest science news1 free article leftWant More? Get unlimited access for as low as $1.99/monthAlready a subscriber? or Want more?Keep reading for as low as $1.99!Already a subscriber? or Related ContentStay CuriousJoinOur ListSign up for our weekly science updates.SubscribeTo The MagazineSave up to the cover price when you subscribe to Discover magazine.…Sign up for our email newsletter for the latest science news1 free article leftWant More? Get unlimited access for as low as $1.99/monthAlready a subscriber? or Want more?Keep reading for as low as $1.99!Already a subscriber? or Related ContentStay CuriousJoinOur ListSign up for our weekly science updates.SubscribeTo The MagazineSave up to the cover price when you subscribe to Discover magazine.WW…