Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

This Star Trek concept ignited a dream that humans could one day travel faster than the speed of light. Now physicists are working to make it so.

Space weather forecasting is decades behind Earth’s meteorology. Learn what makes auroras so unpredictable—and the real-time ...

The first mission of the program, Artemis I, lifted off on November 16, 2022. The uncrewed flight to test the equipment was, overall, a success. From the first thundering moments of liftoff to the ...

A rare, green-glowing comet will make its closest approach to Earth next week — and it won’t return for more than a thousand ...

"We have found a habitable environment," said John Grotzinger, project scientist for the Curiosity mission. "The water that was here was so benign and supportive of life that if a ...

One of the images from a series of 10 photoshoots by NASA astronaut Don Petit and nigh-sky photographer and National ...

Thursday (Oct. 9) is Arm and Hammer's second annual Baking Soda Rocket Day. Thousands of students across the U.S. are ...

A supermoon is defined as either a new or full moon that occurs when the moon is within 90% of its closest approach to earth, ...

Dubbed the 'Great Blue Hole' of Belize, it is one of the deepest sinkholes on the planet. At about 300 feet deep, the hole ...

A man balances on a wire stretched between the Twin Towers. A pilot safely lands an airliner on a river with 155 people still ...