A decision to cut spending on the Hubble Space Telescope by 10% and on the Chandra X-ray Observatory by 40% has been ...

When the historic observatory was shuttered by the University of Chicago, a community organization helped to revitalize it.

Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

New research from NASA's Chandra X-ray Observatory uncovers fast-moving knots in black hole jets, highlighting differences in ...

NASA has released new images of the full-scale ... Andrew Paul is Popular Science’s staff writer covering tech news. Breakthroughs, discoveries, and DIY tips sent every weekday.

Astronomers have found what could be described as the universe's hungriest black hole – one that's breaking fundamental ...

The distant celestial wonders in the sky above New London will soon be more visible than ever. An anonymous Connecticut ...

NASA has revealed the first look at a full-scale prototype for six telescopes that will enable, in the next decade, the space-based detection of gravitational waves—ripples in space-time caused ...

The trio of space probes will detect and measure gravitational waves originating from places such as smaller stellar mass black holes orbiting supermassive black holes. By studying the data the ...

Neutron stars represent one of the final evolutionary stages of a massive star, forming when stars with at least eight times ...

The comet's final moments were captured by the European Space Agency and NASA's Solar and Heliospheric Observatory (SOHO) mission. Comet C/2024 S1 (ATLAS) was discovered on Sept. 27 by the ...