In a letter to his replacement, outgoing NASA leader Bill Nelson emphasizes the agency’s activities ‘transcend the length of ...

Details are emerging about the plant, whose proposed location in the Atacama Desert is concerning astronomers.

The Moon meets the Red Planet’s rival in Scorpius, skims close to Saturn, and reaches New phase in the sky this week.

JWST revealed a massive star that ended its life in an explosion when the universe was just a cosmic toddler.