Astronomers are closely observing the interstellar comet 3I/ATLAS. This comet is not a threat to Earth. Its study will help ...

An interstellar comet that entered our solar system for a brief visit this year has captivated the attention of astronomers from around the world. Comet 3I/ATLAS is the third known interstellar object ...

The comet, called 3I/ATLAS, is the third known interstellar object that has come through our solar system. As it flies deeper ...

An asteroid just flew closer to Earth than many satellites, according to space agencies. The space object, named 2025 TF, ...

Stargazers in Philadelphia and beyond will be treated to a rare celestial sight on Tuesday when Comet Lemmon makes its ...

Astronomer Gianluca Masi and his Virtual Telescope Project will host a special livestream on Oct. 20 beginning at 1:30 p.m.

NASA and ESA say 3I/ATLAS poses no threat to Earth. We explain its nickel-heavy readings, IAWN’s training drill, and why the Harvard alien claim lacks proof.

A newly discovered space rock zoomed safely by Earth on Wednesday (Oct. 15) at only about a quarter of the average distance ...

A new quasi-satellite, 2025 PN7, has been discovered, joining a group of asteroids that orbit the Sun alongside Earth. These ...

A small asteroid flew 266 miles over Antarctica. It was too small to pose a threat, but objects of that size can produce fireballs.

A small asteroid, known as 2025 TF, flew over Antarctica on October 1, 2025, at an altitude of only 266 miles.

The reason people might think Earth has a second moon is due to a celestial body named 2025 PN7 that was spotted in August by ...