"The detection of heavy water … proves the water's ancient heritage and provides a missing link between clouds, disks, comets ...

Kevin Tang, an eighth grader from Hacienda Heights, California, earned the title of "America's Top Young Scientist." Check ...

Tatyana Woodall is a regular contributor to Popular Science. Based in Ohio, she’s extremely interested in how science and technology intertwine in daily life. When she’s not learning something new, ...

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

More than two billion years ago, Earth experienced one of the most important turning points in its history: the rise of ...

The James Webb Space Telescope has changed the game for planet hunters. Recent readings found what look like the first clues ...

Clues hidden in Martian rock suggest the red planet may have once hosted an ocean. Earth’s own ancient rivers are helping ...

From GPS to innovations in computing and optics, technologies developed for space research at UC Santa Cruz touch nearly ...

Space News on Major Missions and Probes. This past year has been anything but quiet for major space missions. New technology, ...

After marking the 30th anniversary of the discovery of the first exoplanet around a sun-like star, we now look forward to ...

Scientists are increasingly convinced that so-called water worlds—planets covered in vast oceans—may be the most promising ...