Health officials say the delta variant of the coronavirus continues to surge and accounts for an estimated 83% of U.S. COVID-19 cases.
That’s a dramatic increase from the week of July 3, when the variant accounted for about 50% of genetically sequenced coronavirus cases.
“The best way to prevent the spread of COVID-19 variants is to prevent the spread of disease, and vaccination is the most powerful tool we have,” said Dr. Rochelle Walensky, director if the Centers for Disease Control and Prevention, during a U.S. Senate hearing Tuesday.
The delta variant is a mutated coronavirus that spreads more easily than other versions. It was first detected in India but now has been identified around the world.
The huge parachute used by NASA's Perseverance rover to land on Mars contained a secret message.
KoBold Metals announced a partnership with Stanford University to improve mineral mining efficiency while also receiving investments from major players in the climate space such as Breakthrough Energy Ventures overseen by Bill Gates and Jeff Bezos.
An analysis by U.S. regulators says Johnson & Johnson's single-dose vaccine protects against COVID-19.
The COVID-19 death toll in the U.S. has topped 500,000, all but matching the number of Americans killed in World War II, Korea, and Vietnam combined.
A bone cancer survivor who's now a physician assistant will join a billionaire on SpaceX's first private spaceflight this fall.
Southern U.S. cities slammed by winter storms that left millions without power for days have traded one crisis for another.
President Joe Biden toured a state-of-the-art coronavirus vaccine plant Friday as extreme winter weather across broad swaths of the U.S. handed his vaccination campaign its first major setback.
A NASA rover has landed on Mars in an epic quest to bring back rocks that could answer whether life ever existed on the red planet.
Power was restored to more homes and businesses in Texas after a deadly blast of winter this week overwhelmed the electrical grid and left millions shivering in the cold.
In 1856, a chemistry student named William Henry Perkin accidentally created a strange substance with a rich purple hue. That accident turned out to be the world’s first synthetic dye.
