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Strange Neptune-Sized Planet Is Denser Than Steel – May Be Result of a Giant Planetary Clash (scitechdaily.com)

New Giant Planet Is Evidence of Possible Planetary Collisions A Neptune-sized planet denser than steel has been discovered by an international team of astronomers, who believe its composition could be the result of a giant planetary clash. TOI-1853b's mass is almost twice that of any other similar

NASA Surprised by Cracks in Ancient Martian Mud Discovered by Mars Curiosity Rover (scitechdaily.com)

New research suggests the same conditions that created the cracks could have been favorable to the emergence of microscopic life. Scientists aren’t entirely sure how life began on Earth, but one prevailing theory posits that persistent cycles of wet and dry conditions on land helped assemble the

The Breakthrough Listen Search for Intelligent Life: Technosignature Search of 97 Nearby Galaxies (arxiv.org)

The Breakthrough Listen search for intelligent life is, to date, the most extensive technosignature search of nearby celestial objects. We present a radio technosignature search of the centers of 97 nearby galaxies, observed by Breakthrough Listen at the Robert C. Byrd Green Bank Telescope. We performed a narrowband Doppler...

New Gaia release reveals rare lenses, cluster cores and unforeseen science (www.esa.int)

Today, ESA's Gaia mission releases a goldmine of knowledge about our galaxy and beyond. Among other findings, the star surveyor surpasses its planned potential to reveal half a million new and faint stars in a massive cluster, identify over 380 possible cosmic lenses, and pinpoint the positions of more than 150 000 asteroids...

Will solar panels work at Proxima Centauri? (phys.org)

Modern solar panels can harness not just ultraviolet light, but also visible and in some cases infrared. But all of these designs are built to harness the sun, which gives off most of its light in the green range and emits plenty of ultraviolet light. But most exoplanets orbit red dwarf stars, which have a peak brightness in the...

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