Space

Final assembly of a United Launch Alliance Atlas 5 rocket began Wednesday with the hoisting of a first stage booster onto a mobile launch platform at Cape Canaveral, kicking off a campaign to prepare for liftoff May 19 on a delayed unpiloted test flight of Boeing’s Starliner crew capsule.

NASA will provide live coverage of the undocking and departure of the Axiom Mission 1 (Ax-1) prior to its return to Earth from the International Space Station.

The world’s largest and most powerful particle accelerator is about to turn back on.

The four-man crew flying on Axiom’s first private mission to the International Space Station is getting some extra time on the orbiting complex this week. Managers have extended their stay until at least Thursday night due to bad weather in SpaceX’s splashdown zones off the coast of Florida.

Observe Mercury as it looked to Giovanni Schiaparelli in 1882 and catch a conjunction of Venus and Neptune from April 22 to 29.

SpaceX performed a “static fire” test of Crew-4’s Falcon 9 rocket today (April 20), briefly igniting the rocket’s first-stage engines while holding the vehicle down at NASA’s Kennedy Space Center in Florida.

The Virgo Cluster of galaxies reigns supreme for galaxy enthusiasts on spring nights.

In a long-awaited report released Tuesday, a panel of planetary scientists recommended NASA prioritize development of a flagship robotic mission that would orbit Uranus, a frozen world with 27 known moons that has not been explored since a fleeting visit by the Voyager 2 spacecraft 36 years ago.

Barnard’s Galaxy (NGC 6822) was discovered by American astronomer Edward Emerson Barnard through a 6-inch refractor in 1881. You’ll find this object in Sagittarius, 1.5° north-northeast of 5th-magnitude 55 Sagittarii. NGC 6822 is an example of a dwarf irregular galaxy. Barnard’s Galaxy was the first galaxy beyond the Magellanic Clouds […]

NASA Administrator Bill Nelson released this statement Tuesday following Vice President Kamala Harris’ announcement the U.S. will not conduct destructive anti-satellite missile testing (ASAT):