NASA is tracking a bus-sized asteroid that will make a close approach to Earth today, confirming there is no threat to the planet.

A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

NASA's search for evidence of past life on Mars just produced an exciting update. On Sept. 10, 2025, a team of scientists ...

A new satellite mission backed by NASA and the European Space Agency (ESA) is poised to strengthen global hurricane forecasting by measuring ocean heat and sea surface height more precisely than ever ...

Did you know that on a clear night, it’s possible to see the International Space Station (ISS) when it passes overhead? Sunlight reflecting off the habitable satellite causes it to shine brightly as ...

NASA's proposed 2026 budget is dramatically smaller than its current budget. Many NASA science missions face cuts or cancellation. Some major telescopes and planetary exploration projects are at risk.

NASA is monitoring a bus-sized asteroid that set to zip past the Earth at some 15,200 miles per hour. The asteroid—"2025 PY1"— will make its closest approach at just 183,000 miles from our planet, ...

Performing CPR on a space station in microgravity involves doing a handstand on a person's chest and pushing against the ...