Space

The Solar System’s Most Volcanic Moon Has Been This Way For Billions Of Years

A recent study confirms that Io has always been a landscape of fiery lava and violent volcanic eruptions.

Can NASA's Mars Sample Return Program Be Saved? Some Experts Think So

The quest continues to bring pristine Mars rocks to Earth.

Look! A Black Hole 33 Times More Massive Than Our Sun Was Hiding In Plain Sight

Astronomers just discovered the largest black hole in our galaxy. It was forged by a dead star.

Christopher Nolan’s 'Interstellar' is About to Get a Much-Deserved Reappraisal

On its 10th anniversary, Nolan’s angsty sci-fi epic returns to theaters.

Is Dark Matter Real? Inside the Theories That Leave This Mysterious Phenomenon Out

Is there more to the universe than meets the eye, or are the rules different than we thought? (Spoiler alert: it's probably the first one.)

These Physicists Can’t Explain Why a Small Neutron Star Came Bursting Back to Life

Magnetars are young neutron stars with magnetic fields billions of times stronger than our most powerful Earth-based magnets.

Astronomers Just Used A Bizarre New Method To Capture Evidence of Elusive Stellar Winds

The researchers used creative methods to observe the sea of charged particles from three extremely bright stars.

60 Years Ago, a Famous Physicist Made a Prediction that Changed Our Understanding Of the Universe

It would take 48 years to prove he was right.

The Solar Eclipse Gave Astronomers An Unprecedented Window Into What Drives Space Weather

The Sun is very active at the moment.

5 Years After the First Black Hole Image, Physicists Unveil A New Experiment To Map Space-Time

The first video of a churning black hole would be revolutionary.