When we think about orbits, we usually picture the Earth zooming around the sun. But does the sun just sit there? Or is it on its own journey? I asked my friend Guy Worthey. He’s a space scientist at ...

Astronomers have uncovered what appear to be 21 neutron stars in orbit around stars like our Sun. The discovery is surprising because it is not clear how a star that exploded winds up next to a star ...

To be a planet, NASA says an object must be big enough that its gravity has cleared away any other objects of a similar size ...

In 2022, humanity deliberately smashed a spacecraft into an asteroid. At the time, the goal sounded almost cinematic: test whether we could push a dangerous space rock off course if Earth were ever in ...

Why do comets and their meteoroid streams weave in and out of Earth's orbit and their orbits disperse over time? Researchers show that this is not due to the random pull of the planets, but rather the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The Parker Solar Probe is gearing up for a final swing past Venus on ...

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The sun will appear ...

Despite being the most abundant particles in the universe, neutrinos are notoriously difficult to detect.

We’re all familiar with the sun’s daily motion in the sky. It rises in the east, gets higher in the sky until circa noon, then begins its hours-long descent to set on the western horizon. You may also ...