(CNN)The US set a grim milestone Monday as the country recorded over 200,000 new Covid-19 cases for seven straight days, according to John Hopkins University. The nation has never hit this milestone before, JHU data shows. Over the last week, the US has tallied over 1.7 million total Covid-19 cases and over 20,000 deaths.On top of that, have surpassed 100,000 for the last 40 straight days and officials are trying to ramp up the pace of vaccinations across the country. "We really need to get this vaccine out more quickly, because this is really our only tool," Dr. Scott Gottlieb, former...…(CNN)The US set a grim milestone Monday as the country recorded over 200,000 new Covid-19 cases for seven straight days, according to John Hopkins University. The nation has never hit this milestone before, JHU data shows. Over the last week, the US has tallied over 1.7 million total Covid-19 cases and over 20,000 deaths.On top of that, have surpassed 100,000 for the last 40 straight days and officials are trying to ramp up the pace of vaccinations across the country. "We really need to get this vaccine out more quickly, because this is really our only tool," Dr. Scott Gottlieb, former...WW…

and , CNNLink Copied!Ad Feedback — The National Weather Service has issued an Excessive Heat Warning for parts of Arizona, Nevada and California, including Las Vegas and Phoenix. This warning signifies “dangerously hot conditions up to 120” and is in effect until 9 p.m. PST on Saturday.“Heat of this magnitude is rare, dangerous, and deadly,” said the Phoenix National Weather Service of the temperatures predicted today for much of western Arizona.A graphic tweeted by the NWS this morning titled “deadly heat wave” advises those in the area to remain aware of the heat and take safety...…and , CNNLink Copied!Ad Feedback — The National Weather Service has issued an Excessive Heat Warning for parts of Arizona, Nevada and California, including Las Vegas and Phoenix. This warning signifies “dangerously hot conditions up to 120” and is in effect until 9 p.m. PST on Saturday.“Heat of this magnitude is rare, dangerous, and deadly,” said the Phoenix National Weather Service of the temperatures predicted today for much of western Arizona.A graphic tweeted by the NWS this morning titled “deadly heat wave” advises those in the area to remain aware of the heat and take safety...WW…

By and , CNNLink Copied!Ad Feedback — Tropical Depression Seven strengthened into on Wednesday, according to the .At 5 p.m. ET, the storm was about 1,110 miles east of the southern Windward Islands, packing winds of 50 mph and moving to the west at 14 mph.“Given the increased organization of the system and its small size, Gonzalo’s (pronounced gohn-SAH-loh) likelihood of becoming a hurricane is rising. Small storms are prone to more significant fluctuations in intensity, both up and down,” CNN meteorologist Taylor Ward said.Strengthening will continue in the next day as the storm...…By and , CNNLink Copied!Ad Feedback — Tropical Depression Seven strengthened into on Wednesday, according to the .At 5 p.m. ET, the storm was about 1,110 miles east of the southern Windward Islands, packing winds of 50 mph and moving to the west at 14 mph.“Given the increased organization of the system and its small size, Gonzalo’s (pronounced gohn-SAH-loh) likelihood of becoming a hurricane is rising. Small storms are prone to more significant fluctuations in intensity, both up and down,” CNN meteorologist Taylor Ward said.Strengthening will continue in the next day as the storm...WW…

By and , CNNLink Copied!Ad Feedback — The National Oceanic and Atmospheric Administration issued a La Niña watch on Thursday, which means the agency believes La Niña could form this fall.La Niña can cause both more frequent and stronger hurricanes in the Atlantic. Its conditions are characterized by below-normal sea surface temperatures in the tropical Pacific. While sea surface temperatures remained near normal in the Central-Eastern Pacific, they fell below average in the Eastern Pacific last month, NOAA said.La Niña, much like its warmer counterpart , has far-reaching global...…By and , CNNLink Copied!Ad Feedback — The National Oceanic and Atmospheric Administration issued a La Niña watch on Thursday, which means the agency believes La Niña could form this fall.La Niña can cause both more frequent and stronger hurricanes in the Atlantic. Its conditions are characterized by below-normal sea surface temperatures in the tropical Pacific. While sea surface temperatures remained near normal in the Central-Eastern Pacific, they fell below average in the Eastern Pacific last month, NOAA said.La Niña, much like its warmer counterpart , has far-reaching global...WW…

By and , CNNLink Copied!Ad Feedback — Parts of the southwestern United States are under an excessive heat warning going into this weekend. Temperatures are forecast to reach as high as 120 degrees Fahrenheit in some areas, and officials are urging people to take precautions as heat this high can turn deadly.Forecasting from the National Weather Service predicts a high of 126 in Death Valley, California. Phoenix, Arizona, expects a high of 117 on Sunday, and Las Vegas, Nevada, is preparing for weekend highs of 113.Heat is the story over the next 7 days. We'll go from very hot to...…By and , CNNLink Copied!Ad Feedback — Parts of the southwestern United States are under an excessive heat warning going into this weekend. Temperatures are forecast to reach as high as 120 degrees Fahrenheit in some areas, and officials are urging people to take precautions as heat this high can turn deadly.Forecasting from the National Weather Service predicts a high of 126 in Death Valley, California. Phoenix, Arizona, expects a high of 117 on Sunday, and Las Vegas, Nevada, is preparing for weekend highs of 113.Heat is the story over the next 7 days. We'll go from very hot to...WW…

By and , CNNLink Copied!Ad Feedback — A newly-discovered comet dubbed NEOWISE will be visible this week to the naked eye. It’s the first visible comet of 2020.The comet, officially known as C/2020 F3, was spotted by NASA’s NEOWISE satellite in March, as it made its initial approach to the sun. It survived its loop around the sun and will be reaching the point in its orbit where it is closest to Earth in the next week. NEOWISE is expected to remain visible to the naked eye through July.Those in the northern hemisphere can catch this comet in the north sky for most of the month at...…By and , CNNLink Copied!Ad Feedback — A newly-discovered comet dubbed NEOWISE will be visible this week to the naked eye. It’s the first visible comet of 2020.The comet, officially known as C/2020 F3, was spotted by NASA’s NEOWISE satellite in March, as it made its initial approach to the sun. It survived its loop around the sun and will be reaching the point in its orbit where it is closest to Earth in the next week. NEOWISE is expected to remain visible to the naked eye through July.Those in the northern hemisphere can catch this comet in the north sky for most of the month at...WW…