I/ATLAS has unexpectedly become bluer than the Sun, hinting that it could be emitting light, not just reflecting it — a sign ...

Data show that unidentified lights in archival astronomy images were 68% more likely to be imaged 24 hours after a nuclear ...

Two new papers delve into mysterious lights and objects that were observed in the sky years before the first satellite ...

Ghost particles' can zoom through you without a trace. Scientists are getting to the bottom of this cosmic mystery ...

A Harvard University professor has said that 3I/ATLAS experienced a sudden "nongravitational" acceleration while passing ...

A new research effort involving simulations of Milky-Way-like galaxies shows that the mysterious, unexplained extra gamma ...

Chinese astronauts aboard Tiangong station witnessed a match flame transform into a blue sphere in microgravity. Unlike Earth ...

According to astronomer Avi Loeb, it's the perfect day to test whether interstellar object 3I/ATLAS is the remnant of an ...

It’s not a bird, nor a plane, nor Superman. At first glance, the burning hunk of metal discovered in Western Australia’s ...

Interstellar object 3I/ATLAS is fueling debate after its unusual behaviour prompted the International Asteroid Warning ...

Some of SpaceX's classified military satellites are emitting a "mysterious signal" that could be violating international ...

The mysterious object was on fire and lying in the middle of a remote dirt road in Western Australia's Pilbara region when ...