A source of carbon \u2014 a building block of life

By Bill Chappell

"The discovery signals a potentially habitable environment in the ocean of Europa," according to the Webb Space Telescope's

NASA effort to bring home asteroid rocks will end

By Nell Greenfieldboyce

NASA's first effort to retrieve samples from an asteroid will send a capsule that contains extraterrestrial pebbles and dust

A NASA astronaut is back on Earth after a year in

By Ayana Archie

Frank Rubio's first mission broke the record for the longest U.S. spaceflight earlier this month. Rubio is a medical doctor

A NASA astronaut approaches a year in space, the

By Ayana Archie

Frank Rubio's first mission broke the record for longest U.S. spaceflight last week. The medical doctor is a lieutenant

Why the earliest galaxies are sparking drama and

By Regina G. Barber|Rachel Carlson|Berly McCoy|Rebecca Ramirez

We're entering a new era of astrophysics. The James Webb Space Telescope is helping scientists test existing ideas and

NASA releases 'baby picture' of a star that will

By Clare Marie Schneider

A new image from NASA's James Webb Space Telescope reveals what Earth's sun could have looked like in its infancy.

New NASA report lays out roadmap for studying UFOs

By Nell Greenfieldboyce

NASA is releasing a new report from advisers on what it would take for the agency to study unidentified anomalous phenomena

How to see a newly discovered green comet this

By Linah Mohammad

A newly discovered green comet is zipping by Earth and is now visible for the first time since before Galileo invented his

What to know about the link between air pollution

By Ari Shapiro|Regina G. Barber|Aaron Scott|Michael Levitt|Rachel Carlson|Rebecca Ramirez|Viet Le

Today on the show, All Things Considered co-host Ari Shapiro joins Aaron Scott and Regina G. Barber for our science roundup.

The United Arab Emirates celebrated after Emirati astronaut Sultan Alneyadi splashed down to Earth following six months in

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