Two more of NASA's space telescopes got another look at comet 3I/ATLAS, an interstellar interloper that captured the world's ...

May the oldest comet on record also be one of the most bizarre? The interstellar visitor 3I/ATLAS, found on July 1, 2025, is rewriting the book on what a comet from outside our Solar System will do.

The James Webb Space Telescope has joined the study of the interstellar invader 3I/ATLAS, uncovering secrets that could ...

Astronomers have imaged a huge expanding bubble of gas and dust surrounding a red supergiant star — the largest such bubble ...

In the past decade, the European Space Agency's Gaia space telescope has revealed the nature, history, and behavior of ...

A new analysis of the EHT reveals that Sagittarius A*, the central black hole of the Milky Way, is spinning rapidly and ...

The findings, published in the journal Astronomy and Astrophysics, come from a team led by Mark Siebert of Chalmers. Using ...

Two of the objects in the arrangement are cold brown dwarfs, which will serve as a benchmark for others throughout the Milky ...

“Wow. Just wow.” That’s how astronaut Nichole “Vapor” Ayers described a sprite she witnessed from the International Space ...

Lenses aren’t the only retro tech that the NASA photographers work with during their months-long stint on the ISS. Pettit ...

A shooting star streaks across the Milky Way's luminous arm, its brilliant trail dissolving into the velvet darkness that ...