Astronomy

The possibility of liquid water beneath the surface of Saturn’s moon Mimas may offer clues to how such seas form, and another spot to search for life

Identifying asteroids with potential moons could aid researchers in understanding unique aspects of our solar system

A single-celled organism’s pathfinding reveals connections in the universe’s vast “cosmic web”

There’s more than one way for a star to die. Some go with a whimper, and some go with a very, very big bang

Archaeoastronomers piece together how people understood the heavens thousands of years ago.

It’s possible to see celestial objects during the day, but it’s not always easy

The Jupiter-like world Epsilon Indi Ab is one of the coldest—and closest—exoplanets that astronomers have ever seen

Claims of alien starships visiting Earth always fall short, but people still fall for them

We can and should look harder for evidence of alien visitors to our solar system

New research suggests the Great Red Spot we see on Jupiter today is an entirely different giant storm from the one astronomers observed more than three centuries ago

The cosmos is dark. The Lilly-Madau diagram reveals that it will become much darker still

Almost everything we know about the cosmos is conveyed by photons traveling across vast distances