Researchers Are Studying These Worm Blobs to Build Robots

These crawlers form clumps to protect the collective. Understanding their movement gives engineers a model for…

NASA Wants to Set a New Radiation Limit for Astronauts

As the agency considers sending people to the moon and Mars, it’s taking a fresh look…

The US Rejoins the Paris Climate Accord. Will It Matter?

Biden’s first-day actions signal that he’s serious about global warming. But he’s got to make up…

The Autonomous Saildrone Surveyor Preps for Its Sea Voyage

The robo-vessel will map the ocean floor, and its solar-powered sensors will sample fish DNA and…

2020 Was the One of the Hottest Years on Record

Officials from NASA and NOAA say the warming of both the planet’s air and water are…

Could Carbon Dioxide Be Turned Into Jet Fuel?

A team at Oxford University has reverse engineered fuel from the greenhouse gas—but so far just…

A Bolivian ‘Cloud Forest’ Reveals a Bonanza of New Species

An expedition into a steep, remote mountain area unveils discoveries of strange frogs, snakes, and plants—and…

New AI-Based Navigation Helps Loon’s Balloons Hover in Place

Reinforcement learning might be the next step in keeping broadband-carrying balloons afloat above remote areas. Could…

New AI-Based Navigation Helps Loon’s Balloons Hover in Place

Reinforcement learning might be the next step in keeping broadband-carrying balloons afloat above remote areas. Could…

An Enormous Iceberg Is Headed for South Georgia Island—Again

If they collide, it could cause big problems for breeding penguins and seals by cutting off…