New Hubble Telescope imagery of the interstellar interloper comet 3I/ATLAS reveals a dusty coma and the beginning of a tail.

Avi Loeb, the chair of the astronomy department at Harvard, has suggested that a Manhattan-sized interstellar object, which ...

A federal judge will hold a hearing to consider dissolving a policy that limits how long Customs and Border Protection can hold immigrant children.

The best time to watch a meteor shower is in the early predawn hours when the moon is low in the sky. Competing sources of ...

The legal organization Democracy Forward is seeking records related to senior administration officials’ communication about ...

The Trump administration is moving to end two of NASA’s most advanced climate-monitoring missions — the Orbiting Carbon Observatories — which track carbon dioxide emissions and monitor global ...

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star.