A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

Imagine a comet coming from the depths of another star system, causing a lot of talk about aliens coming to Earth. Then ...

When you hear that a giant, icy mass hurtling through space has entered our solar system, your mind might leap straight to ...

Mars and Venus, two planets with distinctly unique characteristics, also differ significantly in their placement within the ...

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 ...

Harvard physicist Avi Loeb challenges NASA, suggesting the iron-rich composition of interstellar object 3I/ATLAS indicates ...

Astronomers are closely tracking a mysterious interstellar comet showing an unusual wobble and unexpected flaring activity.

Throughout 2025, there have been several chances to spot the Northern Lights across Canada. The best of all these ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

Astronomers probed interstellar comet 3I/ATLAS for alien technosignatures, tracing nine 'mysterious' signals back to human ...

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

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...