For only the second time ever, a collision between two asteroids has been observed around an alien star not too far beyond ...

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

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

Using JWST, scientists discovered PSR J2322-2650b — a carbon-rich, lemon-shaped exoplanet orbiting a pulsar — challenging ...

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

Scientists say the colour shift in interstellar comet 3I/ATLAS is due to gases in the comet's coma reacting to solar heat.

NASA ’s James Webb Space Telescope has found the strongest evidence yet that a small, rocky planet outside our solar system ...

Hawaii’s Gemini North telescope has captured new images of interstellar comet 3I/ATLAS with a green glow as it remerges from ...

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare ...

NASA reveals high-resolution images of interstellar comet 3I/ATLAS after the US shutdown. Is it alien tech? Associate ...

The Manhattan-sized interstellar visitor hurtling through space has captured the imaginations of UFO watchers for months and ...

The earlier two were ‘Oumuamua, discovered in 2017, and 2I/Borisov, found in 2019. For scientists, 3I/ATLAS is important because it gives a rare chance to study material from another star system ...