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Earth is dimming due to climate change
Scientists used measurements of earthshine, plus satellite data, to learn that Earth is dimming due to the warming oceans.
October 2, 2021
Artificial intelligence’s racial and gender bias problem
Artificial intelligence sometimes discriminates by race and sex. Rights-based regulations are needed to ensure that AI will not exacerbate inequalities.
October 1, 2021
Circumtriple planet suspected: a planet orbiting 3 stars
Scientists believe a planet (or more) orbits the triple star system GW Orionis. This would be the first circumtriple planet discovered.
October 1, 2021
Landsat: 5 decades of imagery and data
The Landsat program, the longest space-based record of Earth’s surface, helps policy makers make decisions about our resources and environment.
October 1, 2021
Daylight fireball tracked to Earth
Scientists tracked a daylight fireball to Earth using images from video of the event that occurred over countries near the Adriatic Sea.
September 30, 2021
Great Red Spot winds accelerating on Jupiter
Data from the Hubble Space Telescope shows that the Great Red Spot winds have been increasing on Jupiter over the past decade.
September 30, 2021
23 species proposed for delisting, now extinct
On September 21, 2021, another 23 species proposed for delisting by U.S. Fish and Wildlife. One is the beloved Ivory-billed Woodpecker.
September 29, 2021
Fossil footprints are oldest found in Americas
Fossil footprints discovered in White Sands National Park, New Mexico, are the oldest known in the Americas. These footprints date back 23,000 years.
September 29, 2021
Solar superflares hit Earth multiple times
Scientists found evidence for solar superflares thousands of years ago from evidence in tree rings. Could a solar superflare happen again in the future?
September 29, 2021
Mushballs explain missing ammonia on ice giants
Giant slushy hailstones called mushballs explain missing ammonia in the atmospheres of Uranus and Neptune. They carry the gas down far too deep to be detected.
September 29, 2021
