A new high-resolution map of distant galaxies may help scientists understand the mysterious dark matter holding the universe ...

Dark matter doesn't absorb or give off light so scientists can't study it directly. But they can observe how its gravity ...

Astronomers at the International Centre for Radio Astronomy Research (ICRAR), working with international collaborators, have made a striking discovery involving a previously unknown type of cosmic ...

NASA has shared its long–awaited images of the mysterious object zipping through our solar system – finally confirming its true identity. Since it was first spotted in July, the object – dubbed ...

NASA's SPHEREx and Hubble find mysterious 3I/ATLAS behaving strangely after perihelion. The interstellar visitor's 'mini-jets' defy standard science.

Just as mysterious interstellar object 3I/ATLAS reemerged from behind the Sun last week, astronomers detected intriguing radio signals from it that give new clues about its chemical composition.

NASA’s Perseverance rover may have stumbled on a visitor from outer space – a strange, shiny rock on Mars that scientists think could be a meteorite forged in the heart of an ancient asteroid.

For months now, astronomers have been closely watching the mysterious interstellar object 3I/ATLAS as it rips through the solar system at a breakneck velocity. And before it finally leaves us for good ...

Mars is full of surprises, but this one had scientists leaning closer to their multi-monitor arrays: a rock, about 31 inches across, sitting alone in a field of fractured bedrock in a region called ...

Nasa has unveiled what stands as one of the most comprehensive maps ever produced of a mysterious substance holding the ...