Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

About 470,000 “interesting” radio hits can still add up to zero. That was the practical outcome when astronomers aimed one of ...

Alien: Earth was only just renewed for a second season, but it's already poised to repeat one of Prometheus' worst mistakes. Alien: Earth is, by almost every measure, a big success. It has 94% ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

Physicists discovered that the famous ‘Star Trek’ spaceship got a lot right about designing a ship to jump from galaxy to ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

Interstellar comet 3I/ATLAS reveals ancient secrets and strange chemistry as the largest object of its kind ever tracked.

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

It also pushed them to tighten their standards, especially when the conversation shifts from “interesting chemistry” to ...