Particle PhysicsApril 10, 2026
New fundamental physics measurement deepens quantum mystery
A new calculation helps narrow down the mass of the W boson, one of the heaviest fundamental particles in the universe
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Space ExplorationApril 10, 2026
NASA’s Artemis II crew returns to Earth
On Friday these four astronauts and their Orion spacecraft will splash down in the Pacific Ocean after a 10-day mission around the moon
Space ExplorationApril 10, 2026
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
Nuclear energyApril 10, 2026
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
BiologyApril 10, 2026
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
The UniverseApril 10, 2026
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
BooksApril 10, 2026
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
Solar systemApril 10, 2026
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
SpacecraftApril 9, 2026
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
Space ExplorationApril 9, 2026
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
Space ExplorationApril 9, 2026
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
HealthApril 9, 2026
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