The interstellar comet 3I/ATLAS reached its perihelion, the closest point to the sun, and is expected to be most active on ...

The interstellar comet 3I/ATLAS (C/2025 N1) is hurtling through the solar system and will be at its closest point to Earth ...

Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

Jupiter acts like a cosmic shield for Earth because of its enormous size and strong gravity. Its powerful gravitational pull ...

Interstellar visitor 3I/ATLAS will reach perihelion on October 29, 2025, sparking theories from alien spacecraft to ...

As comet 3I/ATLAS reaches its closest point to the sun on October 30, scientists prepare for a moment of peak activity that ...

Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually.

The risk of a cosmic body striking the Earth—or exploding in the atmosphere—may be higher in 2032 and 2036, researchers have ...