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View larger. | Artist’s concept of the double-tailed planet WASP-121 b. The tails span nearly 60% of the planet’s orbit around its star. They form as the atmosphere of the

Artist’s concept of exoplanet TRAPPIST-1e, about 40 light-years from Earth. A new study urges caution when trying to determine if there is a methane atmosphere on TRAPPIST-1e, or any atmosphere

Artist’s concept of the boundary in the sun’s atmosphere, where the speed of the outward solar wind becomes faster than the speed of magnetic waves. Astronomers call this boundary the

Artist’s concept of a massive star. Did monster stars create the supermassive black holes astronomers see in the very early universe? A new study has found evidence that they did.

Meet a spreading earthmoss known as Physcomitrella patens. It’s frequently used as a model organism for studies on plant evolution, development, and physiology. In this image, a reddish-brown sporophyte sits

Unusually long gamma-ray bursts require more exotic origins than typical gamma-ray bursts. This animation illustrates one proposed explanation. It shows a black hole eating a stellar-mass star. As the black

View larger. | Artist’s concept of TOI-270 d, a sub-Neptune world about 73 light-years away. New analysis of data from the James Webb Space Telescope suggests there might be an

View larger. | Artist’s concept of the ancient lake in Gale crater on Mars and the river that flowed into it. Evidence from thinly layered sediments in Gale crater, studied

These are dust devils on Mars, spotted by the Perseverance rover on September 6, 2025. Audio recordings from this rover have provided the 1st direct evidence that dust devils and

Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog the whereabouts of normal matter in our universe. Image via ESO/ M. Kornmesser/ The