Atmospheres in the TRAPPIST-1 system should be long gone

Trappist-1 is a fascinating exoplanetary system. Seven worlds orbiting a red dwarf star just 40 light-years away. All of the worlds are similar to Earth in mass and size, and three or four of them are potentially habitable. ...

Blood cell family trees trace how production changes with aging

Blood cells make up the majority of cells in the human body. They perform critical functions and their dysfunction is implicated in many important human diseases, from anemias to blood cancers like leukemia. The many types ...

Hubble finds water vapor in small exoplanet's atmosphere

Astronomers using the NASA/ESA Hubble Space Telescope observed the smallest exoplanet where water vapor has been detected in its atmosphere. At only approximately twice Earth's diameter, the planet GJ 9827d could be an example ...

The black spots on salmon filets found to contain melanin

More than 20% of the filets of Atlantic salmon may have unattractive black and red spots, which are often >1 cm and create substantial financial losses. The spots are far more abundant in reared than in wild salmon, and their ...

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