Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research Program, or HAARP—believe another. A common misconception is that it can ...

A spacecraft could plunge into Earth’s atmosphere as soon as Tuesday. While most of the probe will likely burn up during reentry, a few components are expected to survive.

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

Phil Lord and Christopher Miller's lone-astronaut saga wants to be "Interstellar" meets "E.T.," but it's too long and too cutely formulaic. There are clichés that critics go back to, and when I ...

The science is accessible and Ryan Gosling is a superb Everyman in the excellent space adventure "Project Hail Mary," based on Andy Weir's novel.

Russia and China can black out military satellites in seconds. A Latvian startup says nuclear-waste generators using 5x less fuel could keep satellites—and lunar bases—running.

A review of 'Project Hail Mary' with Ryan Gosling back on a mission to space, but this time alone and on a mission to save humanity from impending doom.

William Neil McCasland has gone missing days after Trump ordered the release of all files on extraterrestrial visits to Earth ...

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"If a signal gets broadened by its own star's environment, it can slip below our detection thresholds, even if it's there." ...

Building space-based AI. Designing new molecules with quantum computers. Why pink noise is bad for your sleep. All that and ...

What: SETI Institute Artists-in-Residence present Exoplanetary Poetry, an art-science collaboration that trains artificial intelligence on exoplanet atmospheric chemi ...