Forty light-years away, seven Earth-sized planets orbit around a dim red dwarf star in one of the most tightly packed planetary systems ever discovered. The TRAPPIST-1 system has captivated astronomers since 2017, with three of its planets orbiting in the habitable zone where liquid water might exist. But there’s been a lingering question whether any […]

Dark matter is an elusive type of matter that does not emit, absorb or reflect light, interacting very weakly with ordinary matter. These characteristics make it impossible to detect using conventional technologies used by physicists to study matter particles.

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Experimental particle physicists working at the MicroBooNE experiment at Fermilab National Accelerator Laboratory have found evidence against the existence of a “sterile” type of neutrino hypothesized to be responsible for previous experiments’ anomalous results, as detailed in a paper published in Nature.

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Winds exceeding 110 mph that tore across the top of Mount Hamilton early Christmas morning blasted a massive steel protective door off the iconic white dome at Lick Observatory.

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Since the interstellar object (ISO) 3I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it may somehow contain evidence of technologically advanced civilizations outside of our solar system.

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Mid-infrared observations from NASA’s James Webb Space Telescope, shown in white, gray, and red, are combined here with X-ray data from NASA’s Chandra X-ray Observatory, highlighted in blue. Together, these different wavelengths reveal a detailed and layered view of a pair of colliding spiral galaxies, captured in an image released on Dec. 1, 2025.

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A research team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has advanced the characterization and retrieval capability evaluation of microphysical properties of Venusian clouds and haze.

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On the launch anniversary of the NASA/ESA/CSA James Webb Space Telescope, ESA presents a unique compilation of zooms into stunning cosmic views.

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