A new image of cosmic microwave background radiation (half-sky image at left, closeup at right) adds high definition from the Atacama Cosmology Telescope to an earlier image from the Planck…
Category: Space
James Webb Space Telescope could find signs of life on alien ‘hycean’ ocean worlds
Hycean worlds, which are a possible kind of exoplanet with deep oceans surrounded by a thick envelope of hydrogen, could provide the best chance for the James Webb Space Telescope…
Euclid opens data treasure trove, offers glimpse of deep fields
Strong gravitational lenses captured by Euclid. Credit: ESA/Euclid/Euclid Consortium/NASA, image processing by M. Walmsley, M. Huertas-Company, J.-C. Cuillandre On 19 March 2025, the European Space Agency’s Euclid mission releases its…
1 week until the 1st solar eclipse of 2025. Here’s what you need to know about the March 2025 partial solar eclipse
On Saturday, March 29, 2025, a deep partial solar eclipse will be visible across the Northern Hemisphere. While there will be no totality, during which the moon completely obscures the…
Chang’e-6 samples suggest 4.25-billion-year-old impact formed moon’s South Pole–Aitken basin
Schematic illustrating that Chang’e-6 norites document the 4.25 Ga lunar South Pole-Aitken impact event. Credit: Su Bin Scientists have long sought to determine the age of the moon’s South Pole–Aitken…
A simulated universe works better when dark energy changes over time
Supercomputer simulations tested the Standard Cosmological Model against a Dynamical Dark Energy Model to see which one better matched new DESI data. Credit: ALCF Visualization and Data Analytics Team and…
What happened to all the water on Mars? Here’s why the debate continues
Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, and minerals that form only in liquid water. But how the Red…
A Dyson swarm made of solar panels would make Earth uninhabitable, suggests study
Artist’s illustration of a Dyson Swarm. Credit: Archibald Tuttle As civilizations become more and more advanced, their power needs also increase. It’s likely that an advanced civilization might need so…
Venus passes between the Earth and sun this weekend—but don’t try to look for it
This image provided by NASA/JPL-Caltech shows Venus taken from NASA’s Mariner 10 spacecraft. Credit: NASA/JPL-Caltech via AP Venus will pass between the Earth and sun on Saturday during what’s called…
Dark skies above world’s best astronomy sites could be ruined by new energy project
A green energy plant expected to be built in Chile’s Atacama Desert could increase night-time sky brightness at one of the world’s most valuable astronomical locations by up to 35%,…
