Pluto was downgraded from planet to dwarf planet in 2016, and now, scientists say the rock may actually be a sort of giant comet, having formed when a billion or so comets clumped together during the ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...

A rare interstellar object is hurtling toward the sun and, despite viral claims, experts say it's just a normal comet, although it's showing some unexpected behavior. 3I/Atlas marks the third ...

A mysterious visitor from beyond our solar system is forcing astronomers to question everything they know about comets. In recent weeks, 3I/ATLAS, the interstellar comet currently traversing our solar ...

When an object from outside our star system zooms through our neighborhood in the solar system, it provides a rare ...

Scientists in Boulder are using existing NASA spacecraft to track a rare interstellar comet called 31/ATLAS as it travels through Earth’s solar system. Comet 3I/ATLAS was first observed on July 1 and ...

A rare interstellar comet reaches its closest point to the sun on Wednesday and Thursday — and it's exciting astronomers around the world. Comet 3I/ATLAS is just the third confirmed interstellar ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Darryl Z.

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. As comet 3I/ATLAS continues its exciting journey through our solar ...

TOLEDO, Ohio (WTVG) - A comet is a ball of ice and rock and is a leftover fragment from the formation of the solar system. Comets generally live very far away from the Earth, but occasionally they ...