Astronomy
Melting of Greenland ice sheet could release large stores of methane
Melting of Greenland ice sheet could release large stores of methane
Rebooting stem cells builds aged muscles and assists injury recovery
Rebooting stem cells builds aged muscles and assists injury recovery
2026 FIFA World Cup players and fans at risk of extreme heat, climate scientists warn
Heat conditions could exceed dangerous levels at a quarter of the planned 2026 World Cup soccer matches, including the final in New Jersey on July 19
A Brief-ish History of SETI. Part IV: Arecibo and the WOW! Signal
During the 1970s, pioneering experiments were conducted that are known today as Messaging Extraterrestrial Intelligence (METI). At the same time, NASA launched four spacecraft bound for interstellar space, each carrying "messages in a bottle" intended for extraterrestrial beings.
Forget Searching for Individual Biosignatures. Instead, Find Their Patterns
The search for life elsewhere focuses on biosignatures. These are chemicals in atmospheres that can only be attributed to life. But despite the prowess of the JWST, finding slam-dunk proof of life on other worlds is a confounding exercise. New research suggests that rather than focus on individual chemicals, we should look for statistical patterns.
Almost half of the objects in Earth’s orbit are junk—and that’s only the stuff we know about
Debris is a growing threat to orbital infrastructure, and it’s only going to get worse as the number of launches increases
Can hantavirus spread through the air? What we do and don’t know
The Andes type of the hantavirus is spread by “close contact,” but it’s unclear how much of that transmission occurs by inhaling airborne droplets or other means
Rise Goes to Washington
Neanderthals treated a dental cavity by drilling into the tooth
Neanderthals treated a dental cavity by drilling into the tooth
Americans are increasingly open to using psychedelics for medical reasons
A survey found that more than 60 percent of respondents “strongly support” making psychedelics easier to study, reflecting a growing consensus that some could have therapeutic use
