How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than in neighboring regions of the universe, astronomers say.

Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious ...

An astrophysicist who spent time doing research at the South Pole gets to the bottom of how things feel at the ends of the Earth.

A rare rock from Mars known as Meteorite NWA 16788 will be up for auction at Sotheby's on July 16. The meteorite may sell for ...

Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...

When aliens descended upon Earth in the film “Independence Day,” their home planet was never disclosed. On Friday, however, the Mets knew exactly where their extraterrestrial adversary came from, as ...

Imagine you're an alien living in the Andromeda galaxy, 2.5 million light-years away, peering back at Earth through a massive ...

A unique gas giant has been confirmed through global teamwork, offering insights into planetary formation and future ...

Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.