Space

For as long as humans have been peering upward into the speckled black of night, the sky has exhibited remarkable stability. The seemingly countless stars in our Milky Way obediently hold their places within a moving tapestry that changes only slightly, even over spans of tens of thousands of years […]

NASA and Boeing said Monday the aircraft produced through the agency’s Sustainable Flight Demonstrator project has been designated by the U.S. Air Force as the X-66A.

The Virtual Telescope Project will host a free livestream of Venus in the Beehive Cluster starting at 4 p.m. ET (2000 GMT) on Tuesday (June 13).

SpaceX’s 40th launch of the year sent another batch of 52 Starlink internet satellites into orbit from Cape Canaveral early Monday aboard a Falcon 9 rocket.

When Curiosity takes a selfie, where is the shaft that holds the camera? It is never seen, like the camera was placed on a tripod and a timer set. Was it edited out? Bob FoundIndian Harbour, Nova Scotia To take a selfie (like the one on pages 24–25 in our […]

Researchers have demonstrated a first for the wireless transmission of near-limitless solar energy through space by delivering a measurable amount of energy back to Earth.

At least three separate optical phenomena are visible in the new images. Each of which is created by light refracting through millions of perfectly aligned ice crystals in the upper atmosphere.

Astronomers using the Keck Observatory have spotted a rare type of star evolving into a supernova right before their eyes.

Astronauts Steve Bowen and Woody Hoburg suited up and floated outside the International Space Station Friday for a spacewalk to install and unroll an upgraded solar array wing delivered to the complex earlier this week by a SpaceX Cargo Dragon supply ship.

When humans visit Mars later this century, they will alight on its ochre-hued sands with the same spirit of adventure and thirst for opportunity as a young girl whose essay was selected from among 10,000 online submissions to name a pair of Mars-trekking rovers. In 2002, nine-year-old Sofi Collis, then […]