Fans love filling in the gaps with their fan theories.

When you think of Sigourney Weaver, you might picture her exploring psychedelic alien worlds in "Avatar" or transforming into ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a technosignature. Reading time 3 minutes From the moment astronomers discovered ...

Many stars die spectacularly when they explode as supernovae. During these violent explosions, they leave behind thick, chaotic clouds of debris shaped like cauliflowers. But supernova remnant Pa 30 ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major Clovis-era sites, researchers found shocked quartz—evidence of intense heat ...

Gold and silver hit historic milestones Friday, capping a blistering year-end rally driven by bets on Federal Reserve rate cuts, a sliding US dollar and intensifying global tensions that sent ...

Authorities were responding Saturday to reports of a gas line explosion near the 5 Freeway in Castaic. LA County firefighters were called around 4:17 p.m. to the area of Ridge Route Road and Pine ...

Emmerdale's Mackenzie Boyd embarks on a risky mission to drop a baby bombshell on Jacob Gallagher and Sarah Sugden next week – but his reckless chase sends his car spinning off the road in Corriedale.