A new type of flame produced on the International Space Station (ISS) doesn’t just look cool with its spherical blue glow—it is cool. Cool flames, which burn at temperatures much lower than ...

Scientists for years have argued over drastic action to cool a warming world. Among the most widely debated is stratospheric ...

Astronomers have discovered a relatively cool and small exoplanet orbiting a nearby star, with a “year” of several months. The find offers a rare opportunity to study planets and solar systems like ...

This year will be an exciting time for space missions. 2025 kicks off with two moon landing attempts in January, followed by SpaceX's daring demonstration to transfer propellants between two Starship ...

There's always something happening in space, and humanity is documenting it more quickly and clearly than ever before. Orbiting telescopes, astronauts and spacecraft are sending back a stream of ...

Geostationary Earth orbit is back from the dead. A year or two ago, the regime looked like the next graveyard orbit after an onslaught of low-Earth-orbit communications satellites—especially SpaceX’s ...

Chattanooga, Tennessee, is a favorite city of mine. Not only is it an incredibly beautiful place, with Moccasin Bend in the Tennessee River tucked near the downtown area, but breathtaking views of the ...