SpaceX Falcon Heavy’s 3rd Launch — How to Watch

The powerful rocket will carry an assortment of cargo to orbit, including a solar sail, an…

How NASA Sold the Science and Glamour of Space Travel

At the time of the Apollo 11 lunar landing mission, some Americans had reservations about the…

NASA Rover on Mars Detects Puff of Gas That Hints at Possibility of Life

The Curiosity mission’s scientists picked up the signal this week, and are seeking additional readings from…

In Hawaii, Construction to Begin on Disputed Telescope Project

Work on the Thirty Meter Telescope on Mauna Kea, bitterly opposed by Hawaiian activists, may soon…

Hypersonic Missiles Are Unstoppable. And They’re Starting a New Global Arms Race.

The new weapons — which could travel at more than 15 times the speed of sound…

Why Did the Moon Landing Matter? A Slew of New Books Offer Answers

Jill Lepore explores the many new accounts of the Apollo 11 mission on its 50th anniversary,…

One Small Tweet for Trump, One Giant Question for NASA’s Moon Plans

A tweet by the president clashed with earlier statements, including his own, about a renewed focus…

Want to Buy a Ticket to the Space Station? Soon, You Can.

NASA plans to open the International Space Station to commercial business, including tourism. But the tickets…

After SpaceX Launch, a Fear of Satellites That Outnumber All Visible Stars

Images of the Starlink constellation in orbit have rattled astronomers around the world. Click…

NASA Hires 3 Companies for Moon Deliveries

The landers would be the first American spacecraft to touch down on the moon since the…