There are rare blood types beyond the eight most common ones, and researchers have discovered one more that brings the total ...

From a digital vantage point in orbit, scientists have mapped every building on Earth—2.75 billion structures, all in 3D.

Two asteroids are set for safe flybys near Earth, reassuring the public that no threat exists. NASA emphasizes these events ...

While an endless summer might sound nice, an extended period of heat will wreak havoc on the environment—humans included.

A massive sunspot cluster, reminiscent of the infamous Carrington Event, has emerged on the sun's surface, sparking intrigue ...

This is a repost! Thank you to everyone who pointed out our error in the previous version. Hosted by: Hank Green (he/him) ...

This December's dazzling display comes from a strange asteroid with comet-like behavior—and a tail of debris that astronomers ...

Days in winters are short because of Earth’s tilt. Learn why sunlight lasts less time, nights grow longer and the Winter Solstice happens.

Four near-Earth asteroids are set to make close approaches to Earth within a 24-hour period, NASA’s Jet Propulsion Laboratory (JPL) has confirmed. Scientists stress that all four objects will pass ...

Bizarre 'bleached' rocks on the surface of Mars suggest that the Red Planet was once a tropical oasis, a new study reveals.

Scientists reveal Priocharax rex, a tiny Amazonian fish with a strange skin “wing” that redefines evolution in miniature.

Heart doctors are capturing images of the inside of heart arteries, helping them watch plaque respond to cholesterol drugs in ...