How the comet has changed since the summer: the red dot showing the brightest pixel appears to have reversed direction (Picture: David Jewitt, Jane Luu, astro-ph.EP) Mysterious comet 3I/ATLAS has just ...

A pair of space probes cruising the solar system may be able to pass through the tail of the mysterious Manhattan-sized comet hurtling towards Earth — but only if the scientists operating them act ...

Was it a meteor, weather balloon or space junk? A United Airlines flight from Denver to Los Angeles was forced to divert after an unidentified object struck its cockpit windshield at 36,000 feet, ...

A YouTube video posted by the account Uncanny Expeditions appears to show a previously unseen object undergoing testing at Lockheed Martin’s Helendale Radar Cross Section (RCS) Test Range in ...

A relatively nearby star that appears to lack almost any of the heavy elements produced by supernovae could be a direct descendant of the very first stars that formed in the universe. Astronomers ...

A comet known as 3I/ATLAS made news in July when it was confirmed to have originated outside Earth's solar system. One infamous theory even posited that the interstellar interloper, estimated to be ...

WSJ’s Shayndi Raice explains what Israel’s attack on Hamas in Qatar means for the direction of the war and future peace negotiations. Photo: Ibraheem Abu Mustafa/Reuters As Israeli war planners ...

A Harvard physicist who sounded the alarm earlier this month about a rare interstellar object passing through our solar system — suggesting it might be more than a comet — now says it could even be a ...

A bewilderingly powerful mystery object found in a nearby galaxy and only visible so far in millimeter radio wavelengths could be a brand new astrophysical object unlike anything astronomers have seen ...

In July 2025, scientists discovered a mysterious intergalactic object that was "most likely" an alien ship that could reach Earth by November 2025. Rating: False (About this rating?) Rumors of an ...

An interstellar object called 3I/ATLAS is passing through our solar system this year, NASA announced yesterday. Today at 6 p.m. ET, you can see it for yourself, thanks to a livestream from the Virtual ...