Artemis II: A Return to the Moon
Tomorrow evening, NASA opens the launch window for Artemis II. Four astronauts leave low Earth orbit for the first time since 1972.
Maui's Hook
Polynesian navigators crossed the Pacific using the stars. The fishhook in Maui's myth is real, it's Scorpius, and the angle it makes with the horizon tells you your latitude.
The Keys to Life, Found in a Rock
We went to an asteroid, brought a small piece of it back, and found the keys to life as we know it inside it.
Standing on Nothing Much
We hear a lot about how low gravity would let you jump higher. The reality is considerably stranger than that.