The latest finding offers "a window into the dark universe,” said one of the researchers behind the groundbreaking discovery.

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

I/ATLAS discovery shocks scientists as the interstellar visitor exposes major blind spots in Earth's planetary defence and ...

Venus is the hardest planet in the solar system to explore. The surface is lethal, and the atmosphere blocks our view from ...

Strange grooves, swirling valleys, and hidden ice far from Mars’s poles reveal a surprisingly recent ice age, as new ESA ...

NASA has selected advanced technologies to power a future space telescope designed to image Earth-like planets and search ...

In a zesty new discovery, scientists have unearthed a strange lemon-shaped exoplanet. It is unlike one we have seen before, ...

A team using the NASA/ESA Hubble Space Telescope has uncovered a new type of astronomical object—a starless, gas-rich, ...

An exosyzygy – an alignment of three celestial objects around another star – is predicted to happen later this year, but it ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

The sun’s outer atmosphere resembles a pufferfish.

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...