‘Ad Astra’ Review: Brad Pitt Orbits the Powers of Darkness

The latest from the director James Gray centers on an astronaut whose mission into deep space…

How to Cool a Planet With Extraterrestrial Dust

A study of fossil meteorites suggests that a distant asteroid collision once sent Earth into an…

The Maybe Comet From Another Star

Now zinging through Cancer: a glob of light from interstellar space? Click here for…

Did India’s Chandrayaan-2 Moon Lander Survive? The Odds Are Long

In the history of spaceflight, robotic probes that malfunction while landing on another world are never…

India Says It Has Located Chandrayaan-2 Lander on Moon’s Surface

The chief of the Indian space agency told reporters that the spacecraft’s condition was unclear, but…

Chandrayaan-2: How to Follow India’s Moon Landing

What you need to know about the mission and how to follow it. Click…

Steven Gubser, a Bright Star in the Physics Universe, Dies at 47

He did groundbreaking work toward finding a “theory of everything.” He died in an Alpine rock-climbing…

India Looks Hopefully to the Moon Ahead of Chandrayaan-2 Landing

On Saturday, India could become the fourth country ever to land on the lunar surface. …

Trump Authorizes a Space Command. Next, He Wants a Space Force.

While there is widespread agreement on the need to protect American interests in space, there is…

How a Bitter Divorce Battle on Earth Led to Claims of a Crime in Space

NASA is examining a claim that an astronaut improperly accessed the bank account of her estranged…