So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

Only a few years ago, astronomers heralded the discovery of a rocky world circling the sun 's closest space neighbor, Proxima ...

NASA is tracking a bus-sized asteroid that will be zooming past the Earth today at a speed of nearly 28,028 miles per hour. The space rock, known as "2025 FO6," is estimated to be about 35 feet across ...

"This mission, the Fram2 mission, is going to be the first all-civilian free-flyer mission to orbit the poles of Earth, which makes it very unique," Dr. Emmanuel Urquieta said. He is the vice chair of ...

Sea ice plays many important roles for the global climate: Its white surface can reflect energy back into space, helping the ...

With evidence pointing to serious kidney challenges, careful planning will be needed to keep crews healthy on space journeys ...

Vice President JD Vance and Usha Vance will visit Pituffik Space Base, the US military's base in Greenland dating back to ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

Scientists suspected the ice giant hosted auroras—and had already observed them on Jupiter, Saturn and Uranus. But an ...

The threat from near-Earth asteroid 2024 YR4 may have subsided, but discoveries of other hazardous space rocks are set to ...

This is what Mr Musk said he wanted to do last year. Then it seemed barely plausible. Today it looks next to impossible. Mr ...

Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.