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January 26, 2024
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Space.com

Messenger comets might be why Earth has life, asteroid Ryugu samples suggest

A detailed investigation of asteroid Ryugu samples has provided further evidence that the organic molecules which gave rise to life to our planet were brought here by ancient comets. These space rock samples were returned to Earth by Japan’s Hayabusa2 …

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CNN

Water vapor found swirling in the atmosphere of a small exoplanet

An artist’s illustration depicts exoplanet GJ 9827d (foreground, right) — the smallest exoplanet where atmospheric water vapor has been detected — as it orbits a host star. Two inner planets (bottom left) in the system are also shown.

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CNN

These small male marsupials give up sleep for sex, then die after intense mating season, study finds

Scientists based in Australia have found that mouse-sized male antechinus trade sleep to leave more time for reproductive activities during mating season, with one male who was monitored halving his sleep time during that period.

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The New York Times

What Do You Call a Galaxy Without Stars?

Earlier this month, radio astronomers announced that they had discovered the darkest galaxy ever not quite seen, a cloud of hydrogen gas resembling our own Milky Way galaxy in many respects, such as its mass and rotation, but with no stars that anyone can …

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The New York Times

Ingenuity, the NASA Helicopter Flying Over Mars, Ends Its Mission

The robot flew 72 times, serving as a scouting partner to the Perseverance rover, aiding in the search for evidence that there was once life on the red planet.

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Space.com

NASA’s Perseverance rover confirms presence of ancient lake on Mars and it may hold clues to past life

Evidence of ancient lake sediments at the base of Mars’ Jezero crater offer new hope for finding traces of life in samples collected by NASA’s Perseverance rover. Comments (0). an illustration of a lake surrounded by dry, red landscape.

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Space.com

Hidden star discovery reveals ‘old smokers’ and ‘screaming’ newborns

Astronomers have uncovered a huge haul of hidden stars, including some violently erupting newborn protostars as well as others that fall under an unexpected new category of ancient giant red stars. They dub the latter bodies “old smokers.”.

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Space.com

NASA orbiter spies Japan’s struggling SLIM moon lander on lunar surface (photo)

“Bright streaks on the left side of the image are rocky material ejected from the nearby, relatively young Shioli crater,” NASA’s Goddard Space Flight Center, which manages LRO, wrote in a statement.

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Scientific American

New ‘Chicken from Hell’ Discovered

Our work focusing on the life stage of our specimen demonstrates that dinosaur diversity may not have been declining before the asteroid hit, but rather that there are more species from this time period yet to be discovered – potentially even through …

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Scientific American

The Roman Empire’s Worst Plagues Were Linked to Climate Change

Changes in the climate may have caused disruptions to Roman society that manifested as disease outbreaks, researchers have found. By Tom Metcalfe. Jules Élie Delaunay’s painting “Plague in Rome” (1869), in which plague. Jules Élie Delaunay’s “Plague in …

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