Space & Physics

The James Webb Space Telescope should soon be able to spot the first generation of stars in space

NASA rolled out the fully stacked Artemis II rocket and Orion capsule on Saturday, embarking on a four-mile journey to the launch pad

On Friday NASA laid out the time line for Artemis II, humanity’s first crewed mission to the moon in more than 50 years

A distinctive nebula inside the constellation Lyra holds a never-before-seen cloud of iron atoms—and researchers aren’t sure why

Stars emit lots of green light, but our eyes don’t let us see them that way

Puzzling red spots in images from the James Webb Space Telescope are probably young supermassive black holes obscured by dense cocoons of gas

On Thursday NASA chief Jared Isaacman said the experience of the returned Crew-11 will be used to prepare for future human spaceflight—including to the moon

The four members of Crew-11 are on their way back to Earth after one of them became unwell with an unknown condition

The U.S. space agency and the Department of Energy will work together to build a fission reactor on the lunar surface in the next four years

Mathematical tools from string theory are giving scientists a new way to study the networking of neurons

New research suggests that the x-ray light coming from the Milky Way’s central black hole Sagittarius A* has changed dramatically in the span of just a few hundred years

NASA astronaut and ISS leader Mike Fincke transferred station command to a Russian cosmonaut ahead of an unprecedented medical evacuation