Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the comet in the footage. Credit: NASA/STEREO/Karl Battams | edited by Space.com's ...

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

Astronomers have spotted unusual molecular activity in the largest Oort Cloud comet, comet Bernardinelli-Bernstein (C/2014 ...

On March 8, ALMA spotted a pair of jets blasting out of the comet's nucleus – its solid icy core. Spectrometry revealed that ...

NASA astronaut Don Pettit, flight engineer for the Expedition 72 crew, proved that when he witnessed Comet ATLAS from the ...

NASA observes largest Oort Cloud comet, C/2014 UN271, exploding with CO gas jets, thanks to ALMA’s deep-space capabilities.

China's Tianwen-2 probe has commenced its decade-long deep space mission, capturing a stunning image of Earth and the Moon ...

Scientists aimed ALMA at the comet in March 2024 and saw carbon monoxide — a gas that usually doesn’t show up in observations that far away — gushing out of its surface in jets. The team also picked ...

Comet A3 has already grown a million times brighter since its discovery in January 2023. Don Pettit/NASA. NASA describes comets as "cosmic snowballs," made up of frozen gases, rock and dust. These ...

Comet E3 is set to pass by Earth at the end of this month, coming its closest to Earth on February 1. Until then, though, NASA has shared a spectacular E3 comet photo. This particular E3 comet ...

You can generally expect to see about 10 meteors per hour, according to NASA. Here’s how and where you can catch the Eta Aquarid meteor shower in Florida. Can I see the Eta Aqarids in Florida?