From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Interstellar comet 3I/ATLAS has gotten new viral claims that it is targeting the Sun with strange wobbling jets. We break ...

American space agency NASA said the Perseverance rover is good to go on Mars until at least 2031, both hardware and software ...

Looking ahead, the comet will pass roughly 33 million miles from Jupiter in March 2026. Loeb noted the scientific value: monitoring 3I/ATLAS with the Juno spacecraft could reveal unusual activity, ...

Vladimir Putin jokes that interstellar comet 3I/ATLAS is a 'secret weapon' as the mysterious object sweeps past Earth.

What can be inferred if a comet from another star system accelerates in a manner that our models cannot fully account for? That is the question at the center of the latest storm of scientific ...

A comet shouldn’t have a heartbeat. Yet NASA’s latest images of the interstellar object 3I/ATLAS detail just that: jets of gas and dust brightening and dimming in an exact rhythm once every 16.16 ...

The U.S. Navy has awarded Skydweller a $1.4 million contract to develop electric propulsion as it explores all-electric ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

Here is the full list of the space and defense tech Startup Battlefield 200 selectees, along with a note on what made us ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...