When interstellar comet 3I/ATLAS was discovered by the ATLAS survey telescope in Chile on July 1, 2025, it quickly attracted ...

A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...

NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could ...

An unusual visitor has entered our cosmic neighborhood. Scientists call these objects interstellar objects, or ISOs. Unlike ...

Retired Rear Admiral Tim Gallaudet suggests underwater UFOs may be operated by non-human intelligence, raising national security concerns. Thousands of sightings have been reported, yet explanations ...

SpaceX's record-setting IPO has investors rushing into space stocks. From Rocket Lab to AST SpaceMobile, here's how to ...

A galaxy roughly 12.5 billion light-years from Earth is pumping out energy equivalent to hundreds of trillions of suns, a ...

The Apollo Guidance Computer overloaded five times during Eagle's descent on July 20, 1969. Margaret Hamilton's team had ...

A terrifying new reality has emerged on the global stage. While the world remains focused on traditional geopolitical ...

"It's like a detective story. And the best is yet to come," says Loeb. "I'm hopeful that we will get to the bottom of it with ...

Matter-antimatter annihilations produce about 10 billion times more energy per unit mass than chemical combustion (which ...

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