Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...

3I/ATLAS is not just another comet drifting by. This object likely formed around another star, may be older than our Sun, and ...

Comet C/2025 R3 (PanSTARRS) is brightening as it approaches Earth and should be visible to the naked eye between April 13 and ...

The comet has been on our radars since the summer of 2025, when the Asteroid Terrestrial-impact Last Alert System (ATLAS) ...

3I Atlas is one of the most unusual interstellar objects ever observed, showing behavior that initially confused scientists.

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

A string of deaths and disappearances among NASA and US defence scientists, including asteroid expert Michael David Hicks, is ...

Theoretical physicist Avi Loeb said we all need to be a bit more 'optimistic' when it comes to aliens while discussing how JD ...

Four astronauts of the Artemis 2 mission on the Orion spacecraft have completed half the journey from Earth to the Moon. This ...

You don’t have to leave the planet to feel like an astronaut. From hidden craters to secret NASA training grounds, these ...

There are astronomical events that we’ll experience once. For many of us, that means one experience with Halley’s Comet ...

A rare long-period comet returns after 170,000 years — here's how to find comet C/2025 R3 (Pan-STARRS) before sunrise this ...