Tzanidakis was combing through old telescope data from 2020 when he found an otherwise boring star acting very strangely. The star, named Gaia20ehk, was about 11,000 light-years from Earth near the ...

Analysis reveals what appears to be a channel of hot, low-density plasma stretching out from our solar system toward distant ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

When astronomers first observed comet 3I/ATLAS, they realized it was special. It is just the third confirmed interstellar object to pass through our Solar System, after the enigmatic ‘Oumuamua and the ...

Earth has been around for 4.543 billion years. At numerous times during that long history, our planet has shared itself with the rest of the Solar System, particularly with our immediate neighbors. Sc ...

Full report: 40 pages. Three pillars. One conclusion. The era of cost-per-watt is over. Solar Is Entering Its Density ...

War Machine imagines a machine arriving from space. Real astronomy has detected interstellar visitors like ʻOumuamua, 2I/Borisov and 3I/ATLAS.

NASA’s 1,323-pound Van Allen Probe A will re-enter Earth’s atmosphere soon. Most of the spacecraft will burn up, but some components may survive, with low risk to humans.

In 2022, a NASA spacecraft intentionally barreled into the tiny asteroid Dimorphos during a planetary defense test. New observations show how it went.

Sandra Hüller also stars in Phil Lord and Christopher Miller’s sci-fi epic based on the Andy Weir novel about a science teacher who finds an unusual ally in a mission to save two worlds.

A 1,300-pound NASA satellite is expected to crash through Earth's atmosphere March 10, 2026, with some of the spacecraft ...

Mars endured an unprecedented solar superstorm, and European Space Agency (ESA) orbiters, the Mars Express and ExoMars Trace Gas Orbiter, captured the chaos, highlighting the Red Planet’s radiation ...