Astronomers are tracking a newly discovered interstellar visitor called 3I/ATLAS, and early research suggests it may be ...

New data from the International Gemini Observatory revealed the object has grown in its estimated size, with it now weighing ...

Comet C/2025 R2 (SWAN) is a new visitor from our outer solar system. It may be easier to see as it approaches Earth next week ...

NASA is tracking an object that is entering the solar system at approximately 245,000 km/h. This interstellar visitor is ...

Newly discovered comet C/2025 R2 (SWAN) will soon be gracing our evening sky. Here's how to see it and what to expect.

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

A division head at NASA said 3I/ATLAS has some 'interesting properties that are a little bit different' from small bodies in our solar system.

A long-tailed comet named C/2025 R2 (SWAN) was first spotted near the sun on 12 September. NASA’s Solar Dynamics Observatory ...

It has been a stellar year for celestial events. One of the most thrilling took place in April, when we were directly in the ...

The Orionids are the leftovers and remains from Halley’s Comet (1P/Halley), which orbits the Sun every 76 years, The Orionids ...

Carvings on a 12,000-year-old monument in Turkey appear to mark solar days and years, making it possibly the oldest solar ...