The Interstellar Boundary Explorer (IBEX) is a small satellite already orbiting Earth. IBEX has special instruments gathering ...

The universe is full of unknown celestial objects, and scientists have only begun to scratch the surface of understanding ...

Astronomers have confirmed the discovery of a rare cosmic traveler: 3I/ATLAS, an interstellar comet hurtling through our ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

Once in space, the Comet Interceptor will travel to the Sun-Earth Lagrange point L2 (just like Ariel), meaning 932,000 miles ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

The detection of 3I/ATLAS marks our solar system’s third time saying aloha to an interstellar visitor, following the ...

Astronomers discovered 3I/ATLAS, a 10–20 km-wide interstellar comet racing into the solar system. It will reach perihelion in ...

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...