It's summer in the Northern Hemisphere — and that means it's fire season. Satellites are pitching in to monitor dozens of blazes nationwide.
For the past month, our most beloved eye on the universe has been closed, blinded by a computer glitch that NASA experts are still working to solve.
This month, two billionaires will take to the skies in a pair of historic suborbital spaceflights that mark a dramatic change in what it takes to become an astronaut.
The venerable Hubble Space Telescope is facing its most serious malfunction in more than a decade, and while NASA is eager to restore the iconic observatory, the agency doesn't want to rush.
NASA's new administrator, Bill Nelson, is a familiar face in the space community, but the agency he has led for nearly two months now has changed a great deal in recent years.
NASA's experimental Mars helicopter, Ingenuity, has now flown nine times on the Red Planet, letting mission engineers test a host of capabilities that could pave the way for more Martian choppers.
NASA's Perseverance rover is picking up the pace on Mars thanks to technology that helps the robot avoid running into trouble.
As NASA continues to diagnose a computer glitch on the Hubble Space Telescope, engineers are preparing to turn on backup hardware.
Aviator Wally Funk wanted to be an astronaut in the earliest days of spaceflight. Sixty years later, she'll finally go to space with Blue Origin on July 20.
The United Arab Emirates' (UAE) Hope Mars mission made its first major finding just a couple months after arriving at the Red Planet when it snagged unprecedented observations of a tricky aurora.
After more than four years of exploring a menagerie of cosmic happenings through gravitational waves, scientists have finally spotted the third expected variety of collision — twice.
Although the next flight of Boeing's Starliner capsule won't carry any astronauts, it will ferry one passenger to and from the International Space Station.
Researchers have detected an earthquake using instruments flying in a balloon above California, and the technology could one day detect quakes on Venus.
It turns out it's tricky to troubleshoot a 1980s computer that's dashing around Earth hundreds of miles over our heads.
NASA's experimental Mars helicopter has now flown eight times on the Red Planet, traveling farther than scientists hoped would be possible.
Young stars can release flares more powerful than our sun's largest on record once a week, according to a massive new analysis of stellar activity.
For a brief moment in time in July 2018, the solar system aligned to show Earth the fully sunlit disk of Pluto, an arrangement that won't occur again for 161 years.
It's always a good sign when astronomers are blunt about the degree to which some observations have puzzled them.
Venus scientists have long complained that their target wasn't getting its due in robotic investigators. Now, a third new mission to Earth's mysterious twin has been announced in just over a week.
Most of the U.S. missed out on the "ring of fire" piece of Thursday's solar eclipse, but parts of the East Coast caught a stunning sunrise partial eclipse to make up for it.
The Amazon.com and Blue Origin founder announced on Instagram that he and his brother would fly on the New Shepard vehicle's first crewed flight, scheduled for July 20.
A team of scientists has gotten their best look yet at a gamma-ray burst, the most dramatic type of explosion in the universe.
Google Doodle marked the second day of Pride Month by celebrating an astronomer, Frank Kameny, who lost his job due to homophobia and spent the rest of his life fighting discrimination.
Deep inside some of NASA's most venerable spacecraft beat similar plutonium-filled hearts to warm and power the robots.