NYC car-free Earth Day street closures. New York City shuts down streets across all five boroughs, allowing residents to walk ...

After nearly 10 days circling the moon, the final chapter of the Artemis II mission is all about getting the crew safely back on Earth, and it’s going to be a show you won’t want to miss. The Artemis ...

NASA's 'Artemis II' astronauts are preparing for their splashdown off the coast of San Diego, California, on Friday. Here's ...

Portland is gearing up for Earth Day with a free, family friendly event focused on sustainability and how we move around the ...

As Orion plunges into the atmosphere, it encounters intense heating, but not in the way most people imagine. The heat is not caused primarily by friction, but by compression.

The Artemis II astronauts are nearing Earth after a historic journey, preparing for splashdown off the California coast.

Friday's reentry and Pacific splashdown off the coast of San Diego is as dynamic and dangerous as liftoff. Their Orion ...

Over the past eight days, the world has watched four intrepid explorers leave Earth, fly around the Moon, and make ...

Despite problems during the unpiloted Artemis I reentry, the Artemis II crew is confident their heat shield will protect them ...

A Virtual Telescope Project livestream will track NASA's Artemis 2 Orion spacecraft as it races back toward Earth. Here's how ...

Donald Trump, 79, unleashed a lengthy attack on several prominent right-wing figures who have soured on him. Leaders of the ...