Thomas Mulligan examines the enduring mystery of a classic paradox that continues to challenge the boundaries of human ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

A leading astrobiologist argues that advanced aliens may well exist but are likely giving Earth a miss, thanks to vast ...

Astronomers have uncovered a pair of giant planets that are lighter than cotton candy — super-puffs the size of Jupiter. The ...

There is something almost offensive about a sky so full of stars and so empty of company. That is what gives Richard ...

On July 1, 2025, a NASA-funded sky survey spotted an object racing through the solar system on a path no gravitationally ...

Every second, hypervelocity collisions may be blasting tiny flecks of Earth into space. Some of those grains, small enough to ...

Discover 10 games where exploration outshines the main story, from vast open worlds to mysterious environments packed with ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

An interstellar comet that passed through the Solar System last year may be up to 12 billion years old – far older than the ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...