NASA’s Space Launch System on launch pad 39B. Credit: NASA/Kim Shiflett
NASA commenced a two-day countdown dress rehearsal for the agency’s huge Space Launch System moon rocket Friday, with clocks ticking down to a critical milestone Sunday, when the heavy-lifter will be fueled and pressurized on the launch pad for the first time.
Before launching Apollo 11 to land astronauts on the moon, NASA secretly sent a fourth grader there first. That is one of the stories in Richard Linklater's "Apollo 10 1/2: A Space Age Childhood."
Rocket Lab’s Electron launch vehicle during a countdown rehearsal earlier this week. Credit: Rocket Lab
Rocket Lab will launch a mission from New Zealand on Saturday to place two more small optical imaging satellites into orbit for BlackSky, the U.S. remote sensing company.
For all of Earth’s geological diversity and its long history, the planet has never had ice volcanoes. But Pluto has. And that cryovolcanism has shaped some of the ice dwarf’s surface features.
Axiom Space and its crew are ready to make history.
SpaceX’s Falcon 9 rocket climbs into clouds over Cape Canaveral to begin the Transporter 4 mission. Credit: SpaceX
SpaceX launched a German environmental mapping satellite and 39 co-passenger spacecraft Friday, dodging thunderstorms near Cape Canaveral that threatened to keep the Falcon 9 rocket on the ground.
Astronomers aren't holding back this year, with brand-new submissions to this year's highly prestigious (and fictitious) Acta Prima Aprilia.
The commissioning stages of the James Webb Space Telescope just ticked off yet another phase.
A SpaceX Falcon 9 rocket launched 40 spacecraft to orbit for a variety of customers — and the rocket's first stage came down for a landing on a ship at sea.
A series of solar storms aimed at Earth this week have supercharged the Earth's auroras, creating dazzling displays for skywatchers.
Four people are scheduled to go to space during Axiom Space's debut mission, and you can watch many of the events live.
A fresh assessment of a distantly risky asteroid brings good news: it's even less of a threat than astronomers had feared.
A brain 'headset' aims to provide a high-resolution view of neural changes that happen in the brain while space, and it will fly aboard Axiom Space's first crewed launch, Ax-1.
NASA isn't done evaluating the career of telescope namesake James Webb, officials said after controversy surrounding the flagship observatory's name has continued since last summer.
Image: Solar power down
NASA's Solar Dynamics Observatory captured yet another solar flare blasting from the same overactive sunspot that triggered radio blackouts and stunning aurora displays on Earth earlier this week.
Sound travels much more slowly on the Red Planet than it does on Earth but also behaves in some unexpected ways that could have strange consequences for communication on the planet.
NASA plans to begin the three-day Artemis 1 "wet dress rehearsal" this afternoon (April 1) at Kennedy Space Center in Florida. Most of the action will happen on Sunday, however.
The evening Moon climbs toward the Arch of Spring, then through it. Orion's Belt levels, the Leaps of the Gazelle cross the zenith, and Saturn and Mars conjoin near brilliant Venus in early dawn.
Barranquilla, the capital of the Atlántico department in northwest Colombia, is featured in this image taken by the Copernicus Sentinel-2 mission.
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