50 million tons of water vapor from Tonga’s eruption could warm Earth for years

More than eight months after the underwater volcano near Tonga erupted on Jan. 14, scientists are still analyzing the impacts of the violent blast, and they’re discovering that it could warm the planet. Recently, researchers calculated that the eruption of Hunga Tonga-Hunga Ha’apa spewed a staggering 50 million tons (45 million metric tons) of water … Read more

How to Watch NASA’s DART Spacecraft Crash Into an Asteroid

An artist’s depiction of the DART Spacecraft approaching the asteroid. illustration: POT The demise of DART is finally upon us, as the NASA spacecraft is on a collision course with the tiny Dimorphos asteroid. Here’s how you can watch this hugely important experiment to deflect an asteroid. Short for Double Asteroid Redirection Test, the dart … Read more

Scientists detect building block for life on Saturn’s moon Enceladus

The moon Enceladus shoots giant plumes from its ocean into space. Planetary scientists suspect this briny sea could be habitable, meaning it potentially harbors conditions that support life. Now, new research suggests this Saturnian moon’s water contains bounties of a critical building block for life (as we know it, anyway). It’s phosphorus, an important ingredient … Read more

NASA waves off next Artemis I launch attempt due to tropical storm

After meeting on Saturday morning, NASA’s Artemis team decided to forgo the September 27 launch opportunity and is now preparing the mega moon rocket stack for rollback. “On Tuesday, Tropical Storm Ian is forecast to be moving north through the eastern Gulf of Mexico as a hurricane, just off the southwest coast of Florida. A … Read more