A comet born around another star is carrying water unlike anything ever measured in our solar system. Observations of ...

Almost 13,000 years ago, North America underwent drastic changes at a rapid rate. Mammoths, mastodons, giant ground sloths, and many other large animals went extinct. Around the same time, the Clovis ...

A comet named 3I/ATLAS was first discovered on July 1, 2025, and is located about 420 million miles away from Earth, ...

Our visitor from deepest space is now departing from whence it came. Last Friday, the interstellar comet designated 3I/ATLAS completed its closest approach to Earth without crashing into us or ...

Comet C/2025 R3 is putting on its final show as it passes close to the Sun before leaving the solar system forever.

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...

(PhysOrg.com) -- At the heart of every comet lies a remnant of the dawn of the solar system. Or is that remnants? Astronomers don't know, but the answer would give them a clearer picture of exactly ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of Earth and poses no danger. Scientists are studying the object ...

On October 4, 2025, NASA’s Perseverance rover pointed its cameras away from the Martian rocks it was built to study and ...