Hubble images of interstellar object 3I/ATLAS reveal a sunward anti-tail, showing a teardrop-shaped coma with separated ...

The new Hubble image shows a compact, bright nucleus wrapped in clouds of gas and dust, which is called the coma ...

Discovered in late June and confirmed as the third known interstellar object in July, 3I/ATLAS has raced through the inner ...

Is an interstellar comet actually an alien spaceship? A researcher traces how influencers spread such speculation via social ...

A dramatic new image from NASA's Hubble Space Telescope has intensified scientific debate around the disintegration of ...

The light shows keep coming in 2026. Here's a calendar of full moons, supermoons, eclipses and meteor showers over California.

NASA and ESA both shared new images of the interstellar comet 3I/ATLAS this week, as the agencies gear up for the mysterious ...

The Geminids first began appearing in the mid-1800s. They are bright, so they're often easier to see than other meteors, NASA ...

KEY FINDINGS The shape is unmistakable. The symmetry is unnatural. And the implications lead directly to December 19. A new ...

The interstellar object 31/ATLAS has ignited a global frenzy over whether aliens could be connected to its unusual behavior, ...

NASA imaged Comet C/2025 R2 (SWAN) every four minutes for nearly 40 days, marking the longest any comet has been tracked with ...

A scientist has identified a possible astronomical explanation for the Star of Bethlehem, as described in the Bible ...