Volcanoes and wildfires can inject millions of tons of gases and aerosol particles into the air, affecting temperatures on a global scale. But picking out the specific impact of individual events ...

A Martian volcano once thought to be the result of a single eruption turns out to have a much more complex past. Orbital imaging and mineral data show it developed through multiple eruptive phases, ...

It was also the first time I noticed how a lunar eclipse could affect animal behavior. When the moon was still bright, a nearby male American woodcock repeatedly broadcast his buzzy "peent" call in ...

Taftan volcano in southeastern Iran rose 3.5 inches over 10 months, signaling that it is waking up after 700,000 years of ...

A restarted black hole in J1007+3540 reveals how episodic jet activity and cluster pressure sculpt giant radio galaxies. Astronomers have captured one of the clearest views yet of a black hole ...

Volcanic eruptions are significant geologic hazards. Underwater volcanoes are challenging to study, yet they play an integral ...

Wachmann, a cold-volcano comet that has long intrigued astronomers, recently became the focus of a stunning discovery. After ...

As people wait for Kīlauea’s 43rd eruption episode, some Hawaiʻi Island residents are still dealing with the aftermath of the 41st episode. Team Rubicon, a veteran-led volunteer group, is stepping up ...

Kilauea has erupted once more on Hawaii's Big Island, launching lava and ash an astonishing 35,000 feet into the atmosphere.