The object is known as 2025 SC79, and it is 700 meters (2,297 feet) across. It goes around the Sun every 128 days, and it even crosses the orbit of Mercury. First observed on September 27, this object ...

Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened ...

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some ...

An Oklahoma pastor who claims to receive visions from God has issued a chilling warning about a possible threat invading ...

NASA reportedly told Ann that the equipment had been blown off course after being launched from the Fort Sumner launch ...

Astronomers discover a low-mass dark object through gravitational lensing and multiple radiotelescopes across Earth.

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

Astronomers have detected one of the darkest objects ever seen at a record cosmic distance—only with the assistance of ...

Comet SWAN will make its closest approach to Earth — coming within 24 million miles of us — on October 20, while comet Lemmon ...

Comet Lemmon and Comet SWAN will be closest to Earth as a new moon sets up prime viewing conditions. Add in a meteor shower ...