We can't see the exomoon, but based on a surprisingly large sodium cloud, NASA's Jet Propulsion Laboratory thinks it's there.

A new search for extraterrestrial radio signals during planetary occultations in the TRAPPIST-1 system provides a promising ...

Mars is the fourth planet from the sun, and the second closest to Earth (Venus is the closest). But the distance between Earth and Mars is constantly changing as they orbit the sun. In theory ...

In 1995, astronomers confirmed the discovery for the first time of a brown dwarf, a body too small to be a star and too big ...

As heads of the world’s great space powers - except for outcast Russia - summit, they are strategizing how to prevent space ...

2024 PT5, a Yale shuttle-sized Asteroid, will orbit Earth until late November. This new “mini-moon” is a wayward asteroid, a ...

Trojan asteroids are a class of asteroids that occupy a stable Lagrange Point in a planet’s orbit around the sun. According to NASA, a Lagrange Point is essentially a position in space where ...

You have just a few weeks left to view the "comet of the century" making its 80,000-year orbit around Earth. Comet C/2023 A3 ...

Astronomers say they've developed a technique to detect smaller bandwidth radio signals that weren't intended to reach deep ...

It may sound like something out of a sci-fi movie, but Earth's "mini-moon" is here to stay for a couple of months.

Our planet’s surface is littered with debris from the skies — and researchers have found that most come from only a few ...