A study here on Earth simulating the weightless conditions of space travel showed that the longer the participants were exposed to a low-gravity environment, the more they perceived facial expressions as angry.
Fossilized plants found in the rocks and soil beneath Greenland ice suggests the ice melted at some point in the last million years and may do so again.
Hours of radio observations have enabled scientists to create a map of the locations in Earth's night sky of 25,000 supermassive black holes. These black holes are very far away, occupying the cores of distant galaxies.
A billion years from now, as the sun heats up, the warmer atmosphere will break down carbon dioxide, killing off plant life, which in turn will shut off Earth's source of oxygen.
On March 3, 2021, the red planet Mars and Pleiades star cluster in Taurus will appear close together on the sky's dome. The two won't get this close again until 2038! See photos of the big event.
Kelly Kizer Whitt - EarthSky’s nature and travel vlogger on YouTube - writes and edits some of the most fascinating stories at EarthSky.org. She's been writing about science, with a focus on astronomy, for decades. She began her career at Astronomy Magazine and made regular contributions to other outlets, including AstronomyToday and the Sierra Club. She has nine published books, including a children's picture book, Solar System Forecast, and a young adult dystopian novel, A Different Sky.