Scientists may have "seen" dark matter for the first time, thanks to NASA's Fermi gamma-ray space telescope. If so, this ...

In 1919, physicist Theodor Kaluza hypothesized that extra dimensions might solve some outstanding problems in physics. And ...

The two stars in the nearby system ZTF J2130 are spiraling toward a catastrophic supernova. In the meantime, scientists are ...

European scientists are turning an aircraft into a laboratory that simulates lunar gravity to prepare astronauts and ...

That’s also true for the other moons that provide the gravitational stress. As a result, the internal oceans may actually ...

Simulations show that subsurface oceans on small moons may hit boiling conditions, potentially creating features like Miranda’s distinctive ridges.

In data from a NASA space telescope over 17 years old, an astronomer has allegedly found direct traces of the enigmatic dark matter for the first time.

Everything you see around you—your phone, your cat, the Earth, the stars—makes up just 15% of the mass in the universe. The ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away.

Where is the center of the universe? Learn why researchers say the rules may not apply to the center of the universe.

Harvard's Avi Loeb claims object 3I/ATLAS is an alien mothership deploying probes to Jupiter, citing its unnatural trajectory ...