Earth’s orbit is getting crowded, and scientists are warning that space may soon become too risky to manage safely. A new study published in Acta Astronautica takes on a question that could define the ...

Researchers used a pair of powerful supercomputers to simulate the potential trajectories of 1 million satellites in a ...

Add Yahoo as a preferred source to see more of our stories on Google. The idea of making a home in space is rapidly shifting from possibility to reality. Today, those anniversaries serve as a ...

NASA has released a breathtaking timelapse of glowing green auroras filmed from the International Space Station, revealing how solar particles transform Earth’s skies into a sweeping cosmic light show ...

Reusable launch vehicles — such as SpaceX’s Starship and Blue Origin’s New Glenn, Stoke Space’s Nova, Rocket Lab’s Neutron ...

UK-based Space Forge wants to create ultra-high-quality crystals in space for the manufacture of semiconductors back on Earth.

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

Scientists Just Recorded a First-of-Its-Kind Solar Event, With Real Impacts on Earth ...

ESA's Proba-2 satellite captured a stunning 'ring of fire' annular solar eclipse from orbit — a view few on Earth could see.

In a new book, NASA astrobiologist Caleb Scharf says the fate of life on Earth may hinge on leaving our planet behind The multibillion-year story of life on Earth is defined by a handful of epochal ...