Summer Solstice 2024: Why It’s the Longest Day of the Year

On Thursday, everyone in the northern half of our planet will experience the summer solstice. It’ll…

Voyager 1, After Major Malfunction, Is Back From the Brink, NASA Says

Several months after a grave computer problem seemed to spell the end for Voyager 1, which…

Edward Stone, 88, Physicist Who Oversaw Voyager Missions, Is Dead

Edward C. Stone, the visionary physicist who dispatched NASA’s Voyager spacecraft to run rings around our…

Mars Got Cooked During a Recent Solar Storm

The sun fired off a volley of radiation-riddled outbursts in May. When they slammed into Earth’s…

Four Astronauts Spent 3 Days in Space. Here’s What It Did to Their Bodies and Minds.

Space changes you, even during short trips off the planet. Four people who spent three days…

A Big Whack That Made the Moon May Have Also Created Continents That Move

Some 4.5 billion years ago, many scientists say, Earth had a meetup with Theia, another planetary…

William A. Anders, Who Flew on First Manned Orbit of the Moon, Dies at 90

On Christmas Eve, during their 10 orbits of the moon, the three astronauts, whose movements were…

Boeing’s Starliner Overcomes Malfunctioning Thrusters to Dock at Space Station

There were glitches with its propulsion system, but Boeing’s Starliner spacecraft and the two NASA astronauts…

SpaceX Starship Launch: When and How to Watch the 4th Test Flight

Starship, the gargantuan rocket under development by Elon Musk’s SpaceX, is scheduled on Thursday morning to…

Boeing Carries NASA Astronauts to Orbit in ‘Milestone’ Starliner Flight

After two trips to the launchpad that did not end up going to space, two NASA…