The hunt is on for a second Earth, somewhere out there in the Milky Way galaxy, but a newly discovered world is not quite the thing. It comes in at around 1.9 times ...

An illustration depicts what the surface of one of the exoplanets orbiting Barnard's Star may look like. The other three planets within the system can also be seen. - International Gemini ...

What planet is most like Earth? Reseachers have identified several exoplanets similar to our planet, but none that are an ...

Researchers are keeping an eye on the building-sized asteroid 2024 YR4, which has a 4 percent chance of hitting the moon seven years from now.

A NASA mission has spotted an Earth-size exoplanet orbiting a small star about 100 light-years away. The planet, named TOI 700 e, is likely rocky and 95% the size of our world. The celestial body is ...

On New Year’s Day, Michael Nicolls, vice president of Starlink engineering at SpaceX, announced that the company will lower ...

Kosmos 482 is 3.2 feet across and could make impact at about 150 mph, per one expert Toria Sheffield joined the PEOPLE editorial staff in 2024. Her work as a writer/editor has previously appeared in ...

Our world could still be rocked indirectly. “City-killer” asteroid 2024 YR4 may no longer be on a collision course with Earth, but it could pose a threat to our planet. Astronomers have upped the odds ...

By tracking tiny stellar wobbles, astronomers have detected planets forming around young stars for the first time.

Earth will have a visitor within its orbit for the next several decades, according to astronomers. An asteroid named 2025 PN7 has become a "quasi-moon" to Earth, as it will be sharing an orbit with ...

NASA lost communication with its MAVEN probe nearly a month ago, and efforts to re-establish a connection have been futile.