Astronomy

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

The human brain loves seeing patterns, even when they aren’t really there

An image of interstellar dust moving through the Milky Way’s magnetic field may help scientists learn more about the origin of galaxies

Cosmic happenstance and biological evolution come together to create a road map to the stars

The latest images from Euclid, a European mission studying dark matter and dark energy, are spectacularly beautiful—and scientifically promising