Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

The White House issued a sweeping executive order on space policy Dec. 18 covering topics from NASA’s exploration plans to ...

Comet 3I/ATLAS, the third interstellar object ever detected, will swing closest to Earth overnight from Thursday to Friday ...

President Donald Trump enshrined the U.S. goal to put humans back on the moon by 2028 and defend space from weapon threats in ...

Wanna see what space really looks like? Scientists just released a stunning new cosmic map - The three-dimensional view will ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS ...

Trump withdrew Isaacman's nomination in May, citing the billionaire's donations to Democrats and ties to Elon Musk.

Interstellar comet 3I/ATLAS will make its closest approach to Earth on Friday. New X-ray images could shed light on its composition.

If you're looking for something fun, festive and education this weekend, Chabot Space and Science Center is transforming into a winter wonderland with its two-day Winterfest.

NASA's Hubble Space Telescope has gotten a rare peek at the aftermath of two cosmic collisions — and helped scientists solve ...

By the authority vested in me as President by the Constitution and the laws of the United States of America, it is hereby ordered: Section 1.  Purpose.

A glowing streak 400,000 kilometers long has emerged from an alien object passing through our solar system—an interstellar ...