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

The observations were carried out by the Breakthrough Listen program as the object neared its closest approach to Earth on ...

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

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

Some big sci-fi names are making their return to the gaming landscape this year, with Halo: Campaign Evolved and Dawn of War ...

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

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

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

The third known visitor from another star system, 3I/ATLAS, has already delivered on one of the biggest promises in modern astronomy: a chance to treat an interstellar object as a potential alien ...

"How do you get to Mars when the launch vehicle is not necessarily going to Mars?" ...

The cosmos is typically a predictable dance of gravity and orbits, but occasionally, a visitor crashes the party with such ...

Watch With Us picks the best sci-fi films from every year of the 1990s, including 'Jurassic Park,' 'The Matrix' and '12 ...