A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien ...

Now, an international research team has reported the discovery of similar luminous displays on the brown dwarf SIMP-0136, located 20 light-years away. These auroras heat the upper atmosphere of the ...

More than two decades after it was first discovered, a mysterious ‘underwater city’ off the coast of Cuba is back in the ...

Loeb has also pointed out that the object’s highly unusual trajectory brings it suspiciously close to Jupiter, Mars, and ...

Lawmakers stunned as footage shows Hellfire missile bouncing off unidentified aerial phenomena, with experts testifying no ...

The lumps frozen in Mars' mantle may have been there for billions of years. Astronomers may have figured out where the mysterious blobs embedded in Mars' mantle originated. The mysterious lumps have ...

The X-37B unmanned military spaceship launched from Cape Canaveral on Thursday night, officially beginning the age of space drones. If successful, it will perform the first-ever unmanned space ...

A multinational research team has discovered a mysterious tubular structure — previously unknown in any organism — within ...

The expert explained that it is. A photo of a modernized Russian Lancet was recently published by Ukrainian radio technology ...

The account got started in the first place as the marriage of two memes, making fun of a post by Reuters social media guy Anthony De Rosa asking whether Reuters should use caps in tweets Twitter and ...