
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

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

NASA’s Artemis II moon mission preps for its last full day in space
The moon is now far in the rearview after a near-flawless spaceflight, but the crew of Artemis II aren’t home safe yet

How China could still win the new moon race
China is working toward its own moon landing. Could it put astronauts on the moon before NASA’s Artemis program does?

Lyme disease is spreading—a new vaccine could curb infections
A new Lyme disease vaccine made by Pfizer and Valneva could lower infection rates of the tick-borne illness, but federal approval and patient uptake could be a challenge

DNA analysis claiming new origins for the Shroud of Turin doesn't hold up, experts say
A metagenomic study of this cloth, controversially purported to bear the imprint of the body of Jesus Christ, has little to say about the relic’s origins

What’s the deal with the Artemis II music? The crew finally gave us some answers
It’s NASA tradition to wake up astronauts with a song. Here are the Artemis II crew’s favorites

The world’s deepest sensors will detect earthquakes around the world from far below Antarctica
Here’s how scientists drilled 8,000 feet through ice to place the world’s deepest seismometers

Heat shield worries resurface as the Artemis II moon mission nears reentry
Before NASA’s moon mission launched, experts sounded the alarm over the Orion capsule’s heat shield and reentry. Now splashdown is just one day away

NASA’s Artemis II moon mission is focusing on its return to Earth
The Artemis II spacecraft is due to splash down on April 10, and NASA officials and the astronauts onboard are gearing up for that return