This week the eyes and telescopes of the world will be watching to learn everything we can,' says an astronomer.

Comet 3I/ATLAS, only the third interstellar object ever detected to pass through our solar system, will be making its closest ...

The month brings a strong lineup of celestial sights, including a supermoon, meteor activity, and several close moon-planet ...

P erihelion – or the Earth's closest approach to our host star – will take place on January 3, 2026. At this point, our ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

Get the latest update on Comet 3I/ATLAS as it makes a close approach today, including what it means and why skywatchers are paying attention.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Comet 3I/ATLAS was expected to come within 130 million miles of the sun on Oct. 30. For the time being, 3I/ATLAS will remain on the opposite side of the sun from Earth, making it impossible to observe ...

NASA’s Europa Clipper spacecraft has observed interstellar comet 3I/ATLAS, collecting rare data as the ancient object made ...

NEW YORK CITY — The Hubble Space Telescope and the Jupiter Icy Moons Explorer have captured fresh images of an interstellar comet as the object nears its closest approach to Earth later this month.

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.

Venus and Jupiter are about to get up close and personal in our skies. The two planets – the brightest in our solar system – have been steadily approaching each other for the past several August ...