There is a way out of this trap, but it requires a fundamental shift in how NASA thinks about astrophysics procurement. It is time to stop buying hardware and start subscribing to outcomes. It is time ...

Researchers have discovered a large, orderly spiral galaxy that formed soon after the Big Bang, when space was only about 1.5 ...

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

The Atacama Cosmology Telescope in Chile not only confirmed one of the greatest mysteries in the universe—it also ruled out ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

Planned megaconstellations would contaminate the view of the cosmos of four orbiting telescopes Many of the images taken by ...

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

New multiscale simulations help crack long-standing mysteries behind the enormous radio arcs generated when galaxy clusters collide.

Nearly nine out of ten campuses offering physics courses offer an algebra- and trigonometry-based course; nonetheless, this ...

The Southern African Large Telescope (Salt) near Sutherland is celebrating 20 years of observing the night sky.

Astronomer Michael R. Blanton will join the Carnegie Science Observatories as its 12th director, overseeing astronomical ...