The Asteroid Terrestrial-impact Last Alert System, better known as ATLAS, detected a fast-moving object entering our solar ...

Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something ...

Since its discovery, astronomers have been frantically trying to gather as much information as they can about the newest interstellar interloper dubbed 3I/ATLAS. It's been challenging, but they've ...

Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...

Every once in a while, our solar system receives a fleeting visitor from the depths of our galaxy. On July 1, 2025, NASA’s ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...