If gravity reversed on the sun, McCluskey said he’d be scared because it is the only thing keeping the sun together. Nuclear fusion, inside the sun, pushes outward. Without gravity, the sun would ...

Is the universe communicating with us through the messages of cosmic travelers? The latest find of 3I/ATLAS, an object ...

A physician who studies astronaut health says Summit Station in Greenland is a good stand-in for the harsh conditions of ...

Jointly hosted by the museum, the Embassy of Switzerland in China, and the Swiss Federal Institute of Technology Lausanne (EPFL), the exhibition is one of the series of events to celebrate the 75th ...

Months after arriving in orbit thanks to a Falcon 9 rocket launch from Vandenberg Space Force Base, NASA’s newest space ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

NASA’s SPHEREx mission is mapping the entire sky in 102 infrared colors, turning raw space data into a public tool for ...

NASA’s SPHEREx space telescope has settled into low-Earth orbit, providing a wellspring of publicly available space data.

And astronomers have a brand-new, superpowerful eye with which to see the changing cosmos: the Vera C. Rubin Observatory in Chile. The Rubin Observatory released its first images last week, and ...

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

The object 9.1 billion light-years away, named FRB 20230521B, now holds the record for the most distant FRB ever recorded.

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...