The comet is the third interstellar object from deep space ever recorded to pass through Earth's solar system.

Earth may be on the verge of crossing several climate change tipping points that could have irreversible and devastating consequences. Here's everything you need to know about these "points of no ...

In a remarkable discovery, astronomers have unearthed a six-planet system orbiting the star HD 110067, where the celestial ...

Researchers using a NASA supercomputer have modeled Earth’s long-term evolution and projected that the planet could become ...