Space & Physics

A new theory tested on Apollo-era data suggests that high-speed moon dust could pose engineering hazards—and diplomatic headaches

Astrophysicist Priyamvada Natarajan predicted that black holes can form without the help of stars. New observations support her theory

Cosmic Microwave Background Stage 4, a top-priority project for U.S. astrophysics, was designed to make breakthrough observations of the universe’s very earliest moments. Now the U.S. government says it can’t currently support the project’s construction at the South Pole

A supernova showering Earth with radioactive debris is a surprisingly common cosmic occurrence

The radioactive unit will help to deliver Europe’s first Mars rover to the planet’s surface

For the first time, scientists observed matter’s free fall into a black hole’s “plunging region”

Northern and southern lights produced by a recent bout of severe space weather may rival the most intense auroras of the past 500 years

The 90-year-old finally realized his dreams of spaceflight aboard Blue Origin’s New Shepard vehicle, which also carried five other crew members on a short suborbital voyage

A rare geomagnetic storm lit up skies, eerie AI demonstrations and a cautionary word about raw milk.

Debris from spacecraft threatens the burgeoning space economy. We need a global agreement to keep space clean

How do astronomers find the darkest objects in the universe?

Years of careful planning helped safeguard against last weekend’s severe space weather, but we still don’t know how we’d cope with a monster event