Nuclear rockets are moving from Cold War concept to near-term hardware, and the shift could reshape how quickly and safely ...

In the early 1980s, two Soviet-era missions, Venera 13 and 14, measured sound waves on Venus, producing a measurement of wind ...

Nearly 4.5 million years ago, two enormous, blazing stars swung close to the solar system. They did not touch the sun, but ...

If you have any clear night skies this week, bundle up and get outside to see the best meteor shower of the year!

Northern Lights Forecast: NOAA has forecast a G1-class geomagnetic storm, the mildest level on the geomagnetic scale, yet ...

This little-known California mountain park offers uncrowded hiking, spring waterfalls, backcountry views, and overnight camping just outside major wine regions.

The space-themed ride will be the Legoland's first indoor roller coaster.

We think of Silicon Valley as a nexus of tech moguls, innovators, power brokers and venture capitalists. But something bigger ...

In Smyrna, Tennessee, nestled in a nondescript shopping center on Industrial Boulevard, sits a Dollar Tree that has become something of a local legend among bargain hunters. This isn’t just any ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Astronomers have discovered that 3I/ATLAS is carrying methanol and other chemicals that were probably important in the origin ...

New observations show the comet's two tails and rising activity.