NASA's Webb Space Telescope and the European Southern Observatory in Chile teamed up to unveil these early nuggets of ...

Scientists are tracking a large gas planet experiencing quite a quandary as it orbits extremely close to a young star, a ...

Astronomers have identified a mysterious new object hurtling through our solar system, believed to have originated from interstellar space. First spotted on July 2, 2025, by the ATLAS survey ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, speeding through our celestial neighborhood.

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed. The object -- likely a comet -- was first detected in data collected between ...

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

3I/ATLAS is only the third interstellar object ever detected. You can stream the object live today, or maybe see it from your own telescope!

A mysterious object the size of Manhattan, originating from outside our Solar System, has been spotted by astronomers. Experts have confirmed the discovery of this rare interstellar visitor—only ...

Meteorites found in the Sahara Desert might be pieces of Mercury that broke off as the result of a collision when the Solar System was still forming. The meteorites had many parallels to the ...

Meteorites found in the Sahara Desert might be pieces of Mercury that broke off as the result of a collision when the Solar System was still forming. The meteorites had many parallels to the ...

NASA captured an image of the sun emitting a powerful solar flare that could interfere with technology on Earth.