A new electric ignition system could help transform the way small spacecraft engines start in orbit, replacing catalyst-dependent technology with...

Diffusion usually appears to be one of nature’s most impartial processes: particles wander randomly, and over time their motion spreads...

A comet has been caught in the act of “photo-bombing” an astronomical image, and its unexpected appearance is offering scientists...

A few atoms forged in the violent death of distant stars may be hiding beneath the Moon’s gray, seemingly lifeless...

JWST has uncovered another surprise in the early Universe: the mysterious “little red dots” may not be isolated, starless points...

Astronomers have identified compelling evidence that a supermassive black hole is racing away from its home galaxy, leaving behind a...

SAN ANTONIO — August 24, 2026 — Two technologies developed by Southwest Research Institute (SwRI) have been named winners of...

Binary asteroids may look simple from a distance: two rocky bodies orbiting a common center of mass in the darkness...

Spaceflight may be changing astronauts’ faces in a subtle but measurable way: their lower eyelids rise in microgravity. A new...

At the heart of nearly every large galaxy lurks a supermassive black hole, an object weighing millions or even billions...