An Ariane 5 rocket on its launch pad Thursday in Kourou, French Guiana. Credit: ESA/CNES/Arianespace/JM Guillon Arianespace is counting down to the blastoff of an Ariane 5 rocket Saturday night from French Guiana, the final flight of Europe’s workhorse launcher before NASA and the European… Read More »Under watchful eye of NASA, teams prep for final Ariane 5 flight before Webb
Live coverage of the countdown and launch of an Ariane 5 rocket with the SES 17 and Syracuse 4A communications satellites. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
It’s true: 124 million miles (200 kilometers) might be a long way for your dog to fetch this cosmic bone. But thanks in part to two powerful telescopes, astronomers were able to inspect the dog-bone shaped asteroid Kleopatra from afar, revealing the space rock’s features… Read More »Astronomers model the dog-bone asteroid, Kleopatra, like never before
The 74,000-pound Orion spacecraft was lifted inside the Vehicle Assembly Building this week, and mounted to the top of the Space Launch System. Credit: NASA/Frank Michaux With NASA’s powerful new 322-foot-tall moon rocket fully stacked at Kennedy Space Center, managers said Friday that Feb. 12… Read More »NASA targets February launch for Artemis 1 moon mission
Elon Musk, the billionaire founder of SpaceX, said Friday the company’s huge new Starship rocket could be ready for its first orbital test launch from South Texas as soon as November, but the schedule comes with two big uncertainties that may push the launch to… Read More »Musk says Starship may be ready for orbital launch next month, but FAA review continues
Saturday, October 23Cepheus the King is a house-shaped pattern of stars that circles Polaris as one of several circumpolar constellations. That means it’s typically high and easy to observe from many locations in the Northern Hemisphere. Tonight, let’s zoom in on Herschel’s Garnet Star, a… Read More »The Sky This Week: Spot the moment Venus reaches dichotomy
The Progress MS-17 spacecraft approaches the International space Station for docking Friday. Credit: Roscosmos A Russian Progress supply ship docked with the new Nauka lab module at the International Space Station Friday, completing a 29-hour free flight after detaching from a different port at the… Read More »Progress cargo ship relocated to new module at International Space Station
The planets of the solar system are varied in their appearance. Mercury is slate gray while Venus is pearly white, Earth a vibrant blue, and Mars a dusky red. Even the gas giants are different, Neptune and Uranus an opaque blue, while Jupiter and Saturn… Read More »What colors are the planets in our solar system? And why are they so different?
A view inside Rocket Lab’s factory in New Zealand, where Electron boosters are lined up in an assembly facility. The rockets with red markings are tagged for recovery missions. Credit: Rocket Lab Rocket Lab said this week that its next mission, set for launch Nov.… Read More »Rocket Lab’s next launch will include booster recovery experiment
Missing puzzle pieces Despite their ability to tell us about the universe around us, there’s plenty researchers don’t understand about neutron stars themselves. For starters, we don’t even have a close-up image of one. In 2019, the world was taken by storm when the Earth-spanning… Read More »Neutron stars: A cosmic gold mine