Time is running short for scientists hoping to collect data from 3I/Atlas, a massive interstellar object hurtling away from ...

The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark ...

Harvard scientist Avi Loeb warns that 3I/ATLAS could be an extraterrestrial “Trojan horse” whose presence has major ...

New images of the 33-million ton interstellar object confirmed it is releasing a nickel alloy commonly used in the aerospace ...

A team of astronomers have found a mysterious object in the distant universe that could be dark matter or an inactive smaller ...

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

The universe has quasi-moons, mini-moon, and moonlets, but no official definition of what counts as a moon.

An asteroid about the size of a small building zoomed past Earth unnoticed ... While asteroids and other space objects of such sizes do not pose any significant danger to life and property on Earth, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...

A hunk of space junk appears to have come in hot and heavy in Australia.