Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes ...

Students had questions. The answers came from an astronaut in the International Space Station in an out of this world school ...

Deep subsurface microbes are highly diverse, challenging assumptions about life in low-energy environments. This discovery ...

We asked experts at NASA and the Massachusetts Institute of Technology what scientists know about the asteroid that could ...

Scientists across the world, including some in Arizona, are keeping an eye on an asteroid that has a very slim chance of ...

It's certain that recently discovered asteroid 2024 YR4 will swing close to Earth in 2032. The chances of an impact remain ...

Rising temperatures are fueled, in part, by declining cloud cover — which could be a potential climate feedback loop.