Harvard scientist Avi Loeb suggests comet 3I/ATLAS may be an alien vessel seeding life, after NASA's SPHEREx spacecraft detected unexplained methane and organic chemicals on board.

Star Trek has introduced plenty of powerful beings throughout its expansive run, but we think these characters are the most ...

Aries Daily Horoscope Today: Celebrate small wins together in love with gratitude.

The latest asteroid to pass by the Earth will be back in a few years — it's not coming for us, but it may be on a collision ...

A NASA spacecraft has discovered organic chemicals on 3I/ATLAS, which Harvard scientist Avi Loeb claims raises the possibility that the comet is an “interstellar gardener” seeding the universe with ...

Discover how space debris tracking technology, automated satellite collision avoidance systems, and active debris removal missions prevent Kessler syndrome and protect orbiting spacecraft.

It’s unclear whether science as a discipline—and scientists as people—will ever be able to answer some questions definitively ...

Following the SpaceX–xAI tie-up, Musk’s "sentient sun" comments point to orbital AI data centers, not science fiction.

Scientists suggest that the amino acids found on the asteroid Bennu did not require warm, liquid water to form, as previously assumed.

Dear EarthTalk: What is space debris, and can we reduce or eliminate it? – H.B., Troy, NY ...

Astronomers using the James Webb Space Telescope (JWST) have discovered galaxies colliding in the early universe, revealing that cosmic structures are far more complicated than astronomers once ...

University of Chicago researchers have begun examining data collected by a device transported by a NASA balloon that flew ...