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Mountain storms can change quickly. Here’s a breakdown of the weather event that caused tragedy over the weekend.

NPR's Juana Summers speaks with Mikhail Chester, professor of engineering at Arizona State University, about how extreme heat affects transportation infrastructure.

Carol Moseley Braun is no stranger to stepping into new territory. She was the first Black woman elected to the U.S. Senate ...

The universe is a happening place—full of exploding stars, erupting black holes, zipping asteroids, and much more. The Rubin Observatory released its first images last week, and they’re stunning—vast, ...

Starlink satellites orbit approximately 342 miles (550 kilometers) above Earth and put on a spectacular show for observers as ...

A communications satellite out of commission since 1965 is chirping at the Earth in radio frequencies. What is happening? We ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

A NASA satellite that’s been orbiting as space junk since 1967, Relay 2, emitted an unexpected, powerful radio burst that ...

Using the Very Large Array (VLA), astronomers have performed radio observations of a galaxy cluster Abell 2744, nicknamed ...

Learn how a deactivated satellite sends signals from beyond, not by reviving its systems, but by inadvertently setting off ...