ABC's late-night host worried that his show was doomed. He declined to say whether this year will be his last on the ...

Moroccan rocks reveal that Earth’s magnetic field once changed fast but followed a hidden order, helping scientists map ...

Scientists found ALS and MS share a strong geographic pattern, suggesting common environmental causes behind both.

NASA measures radiation over Greenland to improve aviation safety and validate models that predict cosmic doses polar flight ...

New study shows Mars went through shrinking ice ages, revealing how it lost water and where future missions might find what's ...

Young people are called to get ready for a fast-moving space era, as experts foresee near-future human missions to live and ...

Massive volcanic eruptions billions of years ago may have made it snow on Mars, leaving thick buried ice near the planet’s ...

New study sees sky layers as living environments for various species of animals as they navigate through the air.

A gamma ray glow at our galaxy’s center has puzzled scientists for almost two decades. New computer simulations back the ...

Buried Louisiana marshes show North America, not Antarctica, fueled the world’s dramatic sea level surge 9,000 years ago.

A report warns that coral reefs may have reached their tipping point, and ice sheets, ocean currents and the Amazon are at ...

Researchers report Cretaceous insects trapped in amber from Ecuador’s Napo region, revealing a 112-million-year-old humid ...