Scientists thought they saw a distant star swallow a planet for the first time ever. But new observations from the James Webb ...

A Southwest Research Institute-led study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, ...

Like Earth, Mars once had a strong magnetic field that shielded its thick atmosphere from the solar wind. But now only the magnetic imprint remains. What's long baffled scientists, though, is why this ...

Jupiter is the heavyweight champion of the planets, but Neptune is no slouch either. According to NASA, Neptune is about 17 t ...

All in all, these records show that Earth's global average temperature has increased by about 1.8 F (1 C) since the ...