Neptune is usually absent, and Uranus and Saturn are curious about his whereabouts. The answer is both obvious and sad.

Vomit Comet “These measurements give us a look at how this enormous, icy world works,” said lead author Nathan Roth of American University and NASA Goddard Space Flight Center. “We’re seeing explosive ...

The James Webb Space Telescope has achieved a historic milestone by capturing the first direct image of an exoplanet.

Skywatchers in central Wisconsin can expect a stunning week ahead, with planetary pairings, moon phases and celestial ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Recent observations have revealed carbon monoxide venting from the largest comet ever seen, providing clues about its origins ...

From a bar in the clouds to finding more water from the Moon, outer space is constantly surprising us. A vast universe Think back to what you learned about astronomy in elementary school. If you’re ...

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

Mercury is notoriously difficult to see from Earth, thanks to its proximity to the Sun. But on July 4, Mercury reaches its ...

The Webb Telescope found two young planets forming sand clouds in the YSES‑1 system, revealing unprecedented details about ...

The space-based observatory has revolutionized the way we see space, and it can now add another remarkable accomplishment to ...

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions ...