Geoff Brumfiel

A few years back, a telescope picked up a radio signal that seemed to be coming from a nearby star. One possibility? Aliens! The story on how this real-life hunt for ET unfolded.

Russia has conducted an antisatellite weapons test. The resulting debris field has forced astronauts on the International Space Station to take shelter while the debris flies by in orbit.

Lee Merritt is a back surgeon with a long history of spreading COVID misinformation. But she renewed her medical license last month.

The U.S. and China are rushing to develop hypersonic weapons. Critics worry it's turning into a race without end.

The Nobel Prize in physics went to three scientists this year for their work on climate change and chaotic systems.

The Nobel Prize in physics was awarded for work on disorder, fluctuations and the ability to predict a changing climate.

On Wednesday, YouTube announced it is expanding its ban on vaccine misinformation and deplatformed two prominent anti-vaccine advocates.

Simone Gold isn't alone. NPR found other physicians who retained their licenses despite spreading misinformation online and to the media about effective COVID-19 vaccines and unproven treatments.

NASA's Ingenuity helicopter has spent the summer circling around on Mars. Its success has been called an "extra terrestrial Wright Brother's moment" and has opened the door to otherworldly aviation.

Ida had sustained winds of 150 mph as it made landfall on Sunday, before the storm weakened slightly by evening. New Orleans and its surrounding areas have lost power entirely.

It has been 90 days since President Biden ordered a review into the origins of COVID-19. Many scientists believe it likely came from nature, others say it may have leaked from a lab in China.

New research finds that sac-winged bat pups — a species of bat found in Central and South America — like to "babble" in ways that are remarkably similar to human babies.

Some people have reported getting a lighter or heavier period after getting a COVID-19 vaccine. Cause for concern? Doctors say no. Could it be a temporary side effect? That's harder to determine.

After vaccination, some people have reported heavy periods or breakthrough bleeding. But changes to menstruation are not listed as a possible side-effect since clinical trials haven't investigated it.

Satellite imagery showing a new tunnel comes just weeks after the discovery of two new nuclear missile fields in other parts of China.

The spaceflight company Blue Origin, founded by billionaire Jeff Bezos, has successfully completed its first flight into space with passengers aboard, including the Amazon founder himself.

Where do myths about coronavirus vaccines come from and why do they spread? NPR takes a look at how rumors about vaccines and fertility reached the public earlier this year.

The nation's top doctor, Vivek Murthy, says misinformation will keep sowing mistrust and endangering lives unless all Americans do their part to fight it.

Satellite imagery shared exclusively with NPR shows new buildings going up at a huge, remote airfield near an old nuclear test range.

The system is designed to provide early warning of what might or might not be actual side effects. But anti-vaccine groups are bending the data to their own ends.