The Perseverance rover has found tiny crystals that seem to be rubies or sapphires inside pebbles on Mars, where they have ...

By plying its ground-penetrating radar in the depths of Mars’s Jezero Crater, this rover has found even older deltas buried beneath those seen on the surface from space ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

In one of the biggest surprises of NASA's OSIRIS-REx mission, its target asteroid, Bennu, turned out to be a jagged, rugged ...

A 7-ton meteor that sped across the Cleveland sky at 45,000 miles per hour on Tuesday broke apart in a thunderous boom that startled residents who feared an explosion.

Performances in N.Y.C. Is there anyone John Lithgow can’t — or won’t — play? Is there anyone John Lithgow can’t — or won’t — ...

Scientists have uncovered a hellish “lava world” where temperatures soar to a blistering 2,700 degrees Fahrenheit — hot enough to melt rock into a churning ocean of magma and fill the air with the ...

A mysterious metal-rich asteroid called Psyche has been baffling scientists for over two centuries, and its true origin ...

Astronomers have discovered a strange new world just 35 light-years from Earth – one permanently covered in a vast ocean of molten rock. The exoplanet, known as L 98-59 d, defies existing models of ...

In a series of experiments at Johns Hopkins University, Lily Zhao fired tiny samples of a microorganism with a room-sized gas ...

In the Mojave Desert near Joshua Tree sits Giant Rock, one of the largest freestanding boulders in North America. But the rock’s story is far stranger than its size. In the 1930s a hermit named Frank ...

A Guatemalan man in the U.S. illegally was sentenced to four years in prison Monday for possession of a firearm by an alien and possession of a firearm by a felon.