Should we prepare for alien invasion? The interstellar object 3I/ATLAS is travelling through our solar system on a hyperbolic path. Scientists observe its odd behaviour, debate its origin and monitor ...
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Viewing 3I/ATLAS in the USA: When and how you can get a glimpse of a comet from another star system?
Discover when and how to observe the interstellar comet 3I/ATLAS in the U.S. in late 2025. Learn about its features, viewing ...
The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.
A new study of dinosaur biodiversity challenges the belief that the megafauna were on their way out 66 million years ago ...
A small asteroid named 2024 PN7 is moving close to Earth, sparking false claims about a second moon — here’s what scientists actually say.
Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...
Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed ...
Astronomers have identified 2025 PN7, a small, faint asteroid, as a quasi-moon that has been orbiting near Earth for ...
2025 PN7 is a small, dim asteroid that appears to orbit Earth, according to EarthSky. Believed to be a piece of the moon that ...
A small asteroid, known as 2025 TF, flew over Antarctica on October 1, 2025, at an altitude of only 266 miles.
The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...
An asteroid was spotted whizzing past Earth last week in the second closest approach to the planet ever recorded, according to authorities. Asteroid 2025 TF soared over Antarctica just before 9 p.m.
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