
NASA’s Artemis II crew returns today—here’s what to know ahead of splashdown
After a 10-day mission around the moon, the Artemis II astronauts will have traveled nearly 700,000 miles

NASA’s Artemis II crew returns today—here’s what to know ahead of splashdown
After a 10-day mission around the moon, the Artemis II astronauts will have traveled nearly 700,000 miles

Why bombing Iran’s nuclear power plant could cause an environmental disaster
Strikes to Iran’s Bushehr nuclear power plant could release long-lasting radioactive cesium 137 into the Persian Gulf, causing environmental calamity and threatening drinking-water supplies for millions

These mysterious neurons in your heart save you from fainting every time you stand
Researchers pinpointed the purpose of mysterious heart neurons in mice—and humans have them, too

NASA’s Dragonfly will explore the air, land and seas of Titan, Saturn’s most mysterious moon
NASA plans to launch a wildly ambitious nuclear-powered octocopter to Saturn’s largest moon, Titan, in 2028

Alexis Hall talks space whales, AI and reinventing a classic
Alexis Hall reimagines Melville’s classic with space whales, AI intrigue and a bold queer twist that launches Moby-Dick into an entirely new sci‑fi universe

Medieval poets wrote about auroras. Their work is providing clues to the solar cycle
Medieval poets, including a Japanese noble, provided key descriptions to track down solar events

White House budget seeks to scrap 54 major NASA science missions
Experts found that the White House budget request for the upcoming fiscal year could defund 54 NASA science missions, including a spacecraft currently studying Jupiter and two planned Venus missions

NASA’s Artemis II moon mission faces the final hurdle—coming home
After a hectic eight days in space, the Artemis II crew—and the many NASA personnel supporting their journey—are ready for the mission’s final milestone

NASA’s Artemis II mission’s return to Earth, hour by hour
On Friday, the four astronauts on board the Orion space capsule will begin their final descent to Earth. Here’s the plan, including the final, most nail-biting 13 minutes of the journey

Why can’t humans regenerate limbs? New research offers a clue
Oxygen and hyaluronic acid may play a role in tissue recovery and regeneration, two new studies suggest

How the wildlife trade boosts the chance of a disease jumping from animals to humans
Decades of data reveal that animals involved in the wildlife trade—from pet sales to meat markets to illegal poaching—are much more likely to carry pathogens that can infect humans

Two hundred chimpanzees are embroiled in a ‘civil war’
The world’s largest-known group of chimpanzees split into two factions that are now engaged in deadly combat