Strange structure in the middle of the Pacific Ocean sparked many a conspiracy theory - but the truth is even stranger ...

"Fasten Your Space Belts" could be part of a spaceflight one-two punch today. SpaceX plans to launch yet another batch of its Starlink internet satellites today, during a nearly 3.5-hour window that ...

A "spaceship" found on Google Maps is generating a wave of conspiracy theories about the origin of the mysterious object. O ...

Astronomers have peered through the atmosphere of a planet beyond the solar system, mapping its 3D structure for the first ...

The planet is tidally locked to its star, which means one side is always facing it and, for that reason, has a scorching ...

Last year, astronomers discovered an unusual Earth-size exoplanet they believe has a hemisphere of molten lava, with its ...