While no imminent asteroid threats have been found for Earth, Chinese scientists discussed two ways to deflect a space rock ...

Flagstaff-based Katalyst Space Technologies launched a spacecraft to capture and boost NASA’s Swift telescope, keeping it in orbit and operating.

A three-armed spacecraft is rushing to the rescue of a NASA telescope that’s in danger of crashing back to Earth. Northrop ...

Astronomers used the James Webb Space Telescope to observe a distant galaxy merger called CRISTAL-02. CRISTAL-02 is losing gas faster than it is creating stars, which could halt future star formation.

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3-D introduction to the universe ...

A trailer loaded with fireworks erupted in flames along a Tennessee interstate Saturday night, sending pyrotechnics shooting across the roadway and forcing authorities to temporarily shut down traffic ...

Add Yahoo as a preferred source to see more of our stories on Google. A box truck loaded with fireworks caught fire on Interstate 75 in Chattanooga, Tennessee. (Credit: Chattanooga Fire Department via ...

Three solar flares burst from the sun this week, raising the chances of seeing the northern lights for people across the United States.

The Sun emitted a strong solar flare that peaked at 7:28 a.m. ET on June 3. The flare was classified as an X1.0, with X-class indicating the most intense flares and the number specifying its strength, ...

Newly found immune cells called ‘ruptoblasts’ explode when triggered, ejecting toxic chemicals capable of delivering death to surrounding cells in just minutes. The cells’ discoverers say that this ...

Many residents of eastern Massachusetts were startled by a thunderous boom on Saturday afternoon. It wasn’t a tree falling, nor—despite the shaking—an earthquake. The resounding noise came from a ...