Astronomers discover an unusual neutron star that emits double pulses, challenging theories about stellar remnants.

A perfectly square-shaped structure on Mars, 3 kilometers wide, spotted in NASA’s Mars Orbiter Camera images, has sparked ...

NASA scientists have just identified mysterious shapes ... researchers found the structures dancing around the ionosphere – ...

A bizarre square object has been spotted on the surface of Mars, and now SpaceX CEO Elon Musk wants to take action to ...

Elon Musk, who has been vaguely described as a "special government employee" under Donald Trump's administration, suggested ...

An curved arrow pointing right. The most mysterious structure on Ceres is a giant pyramid-shaped mound called Ahuna Mons. Scientists may now know what created it. Follow BI Video: On Twitter More ...

An 'square structure' recorded by the NASA's Mars Orbiter Camera in 2001 is currently going viral online - as many wonder what it could be.

We are unsure of the nature of the strange doughnut-shaped structure discovered inside the Earth's core. We thought Earth had ...

Astronomers have discovered two strange objects that could be young ... in data taken between 2006 and 2011 by Japan's AKARI space telescope. Now, new observations made using the Atacama Large ...

Those ripples in space spread outwards, colliding with each other and amplifying themselves. Gravitational waves usually can't create structures on their own, but the researchers found that in ...