Last year delivered doses of drama and excitement in the space business, with a record number of launches, breathtaking ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Beneath Europa's icy shell lies an ocean vaster than Earth's. But is its hidden world buzzing with life, or silent as the ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

Four astronauts are about to become the first humans to venture near the moon in more than half a century since NASA's iconic ...

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

The UK’s Defence Intelligence Staff — now called Defence Intelligence — part of the country’s defense ministry, was given ...

Officials were told to hunt down 'extraterrestrial' tech so they could copy it on the battlefield, according to secret declassified files ...

The British military thought there was ‘basis in fact’ to UFO sightings and wanted to get their hands on the ...

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

Scientists used the 100-metre Green Bank Telescope to look for alien signals but detected no radio signals from 3I/ATLAS.

Harvard scientist Avi Loeb presents chilling theories that interstellar object 3I/ATLAS is alien technology, citing anomalies ...