Paleo-megaripples – as seen in Mars’ Terra Sirenum by the High-Resolution Imaging Science Experiment – have consistent crest wavelengths, numerous fractures and craters, and can be partially covered by ancient…
Category: Space
James Webb Space Telescope finds ‘puffball’ exoplanet is uniquely lopsided
Using the James Webb Space Telescope (JWST), astronomers have discovered that a “puffy” planet is asymmetric, meaning there is a significant difference between one side of the atmosphere and the…
What happens to the climate when Earth passes through interstellar clouds?
Orion Molecular Cloud Complex, dominated in the center of this view by the brilliant Flame nebula (NGC 2024). The smaller, glowing cavity falling between the Flame nebula and the Horsehead…
Boeing Starliner astronaut Suni Williams takes ISS command as 8-day mission turns into 8 months (video)
NASA astronaut Sunita “Suni” Williams has just been handed the keys to the International Space Station, marking a milestone in her eight-month-long mission that was originally supposed to last eight…
Astronomers catalog over 500 extremely powerful cosmic explosions
Astronomers have cataloged a stunning treasure trove of over 500 of the universe’s most powerful explosions. These so-called gamma-ray bursts, or GRBs, are so energetic that if just one of…
Watch NASA astronaut, 2 record-breaking cosmonauts head home to Earth on Sept. 23
A NASA astronaut and two record-setting Russian cosmonauts are set to head back to Earth on Monday (Sept. 23), and you can watch their homecoming live. Russia’s Soyuz MS-25 spacecraft,…
NASA invites public to design Artemis moon mission navigation tech
NASA is seeking the public’s help for innovative solutions to help Artemis astronauts navigate in and around the lunar south pole. The Artemis program aims to land humans on the…
Citizen science collaboration yields precise data on exoplanet WASP-77 A b
Artists Concept of the WASP-77 A b system. Credit: NASA Exoplanet Catalog A planet swings in front of its star, dimming the starlight we see. Events like these, called transits,…
Exoplanets could be hiding their atmospheres
Illustration of the tidally locked world TRAPPIST-1f. Credit: NASA/JPL-Caltech Most of the exoplanets we’ve discovered orbit red dwarf stars. This isn’t because red dwarfs are somehow special, simply that they…