Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

As a particularily active sunspot region rotates into view, the sun has released its largest solar flare since June.

The comet currently resides in the constellation Ophiuchus (The Serpent-bearer), positioned about 147 million kilometers from ...

The sun is governed by a strict rhythm. The magnetic activity of the sun displays a cyclic variation, reaching a maximum ...

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

The interstellar comet 3I/ATLAS will make its closest pass to the sun on Oct. 30, and various spacecraft will be watching, ...

Astronomers have found that the rotational profile of a nearby star, V889 Herculis, differs considerably from that of the Sun. The observation provides insights into the fundamental stellar ...

If not for the soupy, fast-moving atmosphere on Venus, Earth’s sister planet would likely not rotate. Instead, Venus would be locked in place, always facing the sun the way the same side of the moon ...

There are now over 10,000 satellites in orbit, more than at any point in history, and this growing number is starting to ...

A fast-orbiting, 700-metre asteroid discovered within Venus's orbit highlights hidden near-Sun populations and underscores ...

V889 Herculis doesn't rotate like any other star, defying stellar models. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A nearby star that's ...