Comet 3I/ATLAS arrived from beyond the Solar System carrying a chemical story unlike anything astronomers had measured before ...

What if Earth's great extinctions were not only due to asteroids or volcanoes, but also to the passage of wandering planets? A recent study suggests that flybys of Pluto-sized objects could have ...

A speculative paper argues that ancient planetary flybys may have helped trigger some of Earth’s mass extinctions.

Observations of the fast-moving interstellar comet with the Very Large Telescope in Chile support similar observations made ...

In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a peripheral region of a relatively calm planetary system ...

In a major milestone in the search for life on other planets, astronomers have detected, for the first time, an atmosphere ...

Astronomers using NASA's James Webb Space Telescope have discovered a giant planet outside our solar system, called an ...

It’s the first potentially habitable world known to host an atmosphere, making it a lead contender in the search for life ...

The discovery boosts the chances of finding extraterrestrial life.

On August 12, 2026, lucky viewers in and around Greenland, Iceland and Spain—weather allowing—will be able to see one of ...

Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant Kuiper Belt objects have fueled the Planet Nine theory, but recent ...