Astrophotographer Brennan Gilmore has captured spectacular views of the solar wind stripping a vast section from C/2025 A6 ...

Comet C/2025 A6, known as Lemmon, is rapidly approaching to be seen with the naked eye.The comet is close to California and ...

The images taken by two Mars orbiters show a bright, fuzzy white dot of the comet, also known as 3I/ATLAS, appearing to move ...

Perhaps comets are like buses, because this month, there are three that are easily observable at once. In what looks like ...

Comet C/2025 R2 (SWAN) may be making its debut in our northern horizon night skies for a short period of time. This is a rare ...

A rare opportunity to see not one but two comets awaits skygazers this October. We show where and how to view them.

A cosmic visitor is stirring up an earthly debate. A Harvard University astrophysicist has suggested the incoming interstellar object 3I/ATLAS could be an alien probe. But NASA and most astronomers ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Comet C/2025 A6 (Lemmon) photographed on Aug. 23 2025. | Credit: Dimitrios Katevainis/Wikimedia ...

The European Space Agency (ESA) shared more data on the 3I/ATLAS interstellar comet after pointing to Mars orbiters at it.

I/ATLAS is only the third comet ever witnessed from outside our Solar System and new imagery could teach us so much about other worlds ...