Contrails, short for condensation trails, are the white streaks often seen in the sky behind aircraft. The International ...

From still lakes to shifting shores, waves play a bigger role than we think—even on worlds we’ve never directly observed.

New research suggests that many planets previously considered promising for life may, in fact, be far less hospitable. A ...

A colossal ocean current encircling Antarctica—stronger than all the world’s rivers combined—played a far more complex role in shaping Earth’s climate than scientists once thought. New research shows ...

Over the past eight days, the world has watched four intrepid explorers leave Earth, fly around the Moon, and make spaceflight history. The moments of reverence, camaraderie, and bravery we’ve ...

After orbiting the Earth twice, four astronauts have officially begun their four-day journey to the moon. Friday marks the start of flight day three for NASA’s historic Artemis 2 mission, which is ...

The Pacific Ocean is a giant climate cauldron, with a powerful heat engine that affects storms, fisheries and rainfall ...

Sign up for Grist’s weekly newsletter here.” Last month, climate scientist and author Kate Marvel resigned from ...

Forbes contributors publish independent expert analyses and insights. author of Chained to the Desk in a Hybrid World: A Guide to Balance. This voice experience is generated by AI. Learn more. This ...

The Orion spacecraft will reenter the atmosphere at high speed, reaching temperatures of about 5,000 degrees. A series of parachutes will deploy to slow the capsule for a gentle splashdown. Astronauts ...

Update: This story was updated to correct an inaccuracy. In a historic moment, the Artemis II crew aboard the Orion spacecraft traveled the furthest anyone has ever traveled in space and observed the ...

Add Yahoo as a preferred source to see more of our stories on Google. The Artemis II crew are among the few humans to experience the “overview effect,” but you don’t need to travel to space to access ...