Early risers across North America and Europe may spot a bright, silent light gliding across the Christmas sky — and it just ...

The Parker Solar Probe has now traced the sun’s outer frontier in unprecedented detail, turning a once-theoretical boundary ...

At the far edge of the Solar System, where the Sun’s influence thins into the dark between the stars, a pair of aging ...

SpaceX's Starlink said one of its satellites experienced an anomaly in space on Wednesday that created a "small number" of ...

The Geminid meteor shower will hit its peak the night of Saturday, Dec. 13, and continue into the morning hours of Sunday, Dec. 14. The shower began on Dec. 4 and will end on Dec. 17, according to the ...

Firefly Aerospace Inc. (NASDAQ:FLY) is among the best US stocks to buy under $20. On November 20, 2025, Anthony Valentini, an analyst at Goldman Sachs, reinstated coverage on Firefly Aerospace Inc.

Travelers who attempt to fly without a Real ID or a passport could be subject to a new airport security screening program that carries an $18 fee. On Thursday, the TSA announced another option for ...

No hard feelings toward Uncle Sam? Well, millions of Thanksgiving holiday travelers probably won’t go that far this week as many salve psychological wounds from a U.S. government shutdown that slowed ...

Nov. 24 (UPI) --Boeing's Starliner spacecraft will only fly cargo to the International Space Station after NASA changed the contract with Boeing that also cut the number of missions for the craft. On ...

Travelers who attempt to fly without a Real ID or a passport could be subject to a new airport security screening program that carries an $18 fee. On Thursday, the TSA announced another option for ...

Here’s what you’ll learn when you read this story: Stirling engines, which have been around for centuries, leverage temperature differentials in a gas to do light mechanical work. A new study ...