Space News

Set to track sea levels across more than 90% of Earths ocean, the mission must first get into orbit. Heres what to expect. Sentinel-6B, an ocean-tracking satellite jointly developed by NASA and ESA (European Space Agency...

Swift observations with the European Southern Observatorys Very Large Telescope (ESOs VLT) have revealed the explosive death of a star just as the blast was breaking through the stars surface. For the first time, astrono...

The head of OHB says he is concerned about a planned joint venture among three of his competitors, even as the company sees opportunities from growing European space spending. The post OHB raises concerns about planned E...

In March of 2024 the DESI collaboration dropped a bombshell on the cosmological community: slim but significant evidence that dark energy might be getting weaker with time.

So I got an email from Adam Reiss. You know, the guy who was awarded the 2011 Nobel Prize in Physics along with Saul Perlmutter and Brian Schmidt for discovering the rate of cosmic expansion is accelerating. He pointed o...

Leonid meteors may appear whenever the constellation Leo is above the horizon.

SpaceX will launch the Sentinel-6B ocean-mapping satellite from California early Monday morning (Nov. 17), and you can watch the action live.

Keep an eye on the sky Sunday night and early Monday morning for the Leonid meteors, and a possible second auroral storm. Once every other generation, the Lion roars. If skies are clear Monday morning, keep an eye out fo...

A few hours after darkness falls during November, the unquestioned landmark of the autumn night sky occupies a commanding position high in the south: the flying horse Pegasus.

Comet 3I/ATLAS recently emerged from behind the glare of the sun to become visible to ground-based telescopes.

Sierra Space has completed key testing milestones for its Dream Chaser vehicle as the company explores both civil and national security missions for the spaceplane. The post Dream Chaser completes key tests ahead of firs...

Milestone results released by the Large High Altitude Air Shower Observatory (LHAASO) on November 16 have solved a decades-old mystery about the cosmic ray energy spectrum-which shows a sharp decrease in cosmic rays abov...