The odd atmosphere of a fledgling exoplanet is causing astronomers to question leading theories of how planets form.

Scientists recorded a total-column ozone concentration of 102 Dobson units, the 8th-lowest level since 1986. Colder-than-average temperatures and strong winds in the stratosphere circling Antarctica ...

After taking the first images of black holes, the Event Horizon Telescope (EHT) is poised to reveal how black holes launch ...

"How and where particles are accelerated in the jets of supermassive black holes has been a long-standing mystery." ...

A pair of geologists with the U.S. Geological Survey, Denver, has created a model that shows Earth's subsurface may hold up ...

The International Space Station is an engineering feat that has led to countless scientific discoveries. Like the thousands of satellites in orbit, it manages to stay up in the atmosphere.