Jessica Meir and Chris Williams completed a seven-hour spacewalk aboard the International Space Station to prepare its power system for upgrades. The work enables installation of new roll-out solar ...

The Voyager spacecraft accomplished one of the most extraordinary exploration missions in history. During their journeys past the outer planets, the probes revealed previously unimaginable discoveries ...

"It turns out that they're really cracked too, and that was the missing piece of the puzzle." ...

The Solar System is a weird place filled with incredible physics and geological oddities that often break down in human terms ...

The traditional Habitable Zone (sometimes called the Goldilocks zone) is kind of like a campfire. If you sit too close, you ...

The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors—a small, gas-rich galaxy visible to the ...

With the first images from the spacecraft now in hand, the team behind NASA's Star-Planet Activity Research CubeSat, or SPARCS, is ready to begin charting the energetic lives of the galaxy's most ...

Comet 3I/ATLAS, the third known interstellar object ever detected passing through our solar system, carries a chemical signature that does not match what astronomers typically see in comets born ...

A huge solar storm struck Mars in 2024, supercharging its upper atmosphere and briefly disrupting spacecraft orbiting the Red Planet.

"Above this [magnitude 7] limit means that the satellite will most likely saturate the pixels, making it impossible to recover the data underneath the satellite," Jeremy Tregloan-Reed, a member of the ...

Last October, Colorado state Rep. Lesley Smith was in Germany, visiting her husband’s family. While strolling around her sister-in-law’s neighborhood, she glimpsed a solar panel hanging off an ...

Astronomers already know how planetary systems are born and how they look once they are fully grown, but what has remained mostly hidden is the awkward “teenage” phase in between — the period when ...