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Giant iceberg breaks off Brunt Ice Shelf in Antarctica
A giant iceberg, about twice the size of Chicago, broke off from Antartica's Brunt Ice Shelf in late February 2021.
March 4, 2021
Earlier spring snowmelt in Alps threatens microbes in soil
A new study suggests that spring snowmelt in the Alps is occurring earlier in the year, and the earlier warming - due to climate change - threatens vitally important microbial communities in alpine soils.
March 4, 2021
Photographs of historic Mars and Pleiades conjunction
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.
March 3, 2021
Closest Mars-Pleiades conjunction until 2038
This year - on March 3, 2021 - the red planet Mars and the Pleiades star cluster - also known as the Seven Sisters - stage their closest conjunction on the sky's dome until February 4, 2038.
March 3, 2021
Asteroid dust in Chicxulub crater seals deal on dino extinction
Scientists examined rock cores taken from the Chicxulub crater in Mexico, site of the asteroid impact that triggered dinosaur extinction, and found iridium, a telltale sign of asteroids.
March 3, 2021
Gulf Stream at its weakest in over 1,000 years
A new study suggests that the Gulf Stream - an Atlantic Ocean current that plays a large role in shaping Earth’s weather patterns - is weaker now than at any point in the last 1,000 years.
March 3, 2021
NASA selects 16 futuristic space technology concepts
NASA has selected 16 cool new futuristic space technology concepts for further study. Four of them are from NASA's own Jet Propulsion Laboratory (JPL), including a railway system on the moon to move cargo.
March 2, 2021
Is this the world’s tiniest reptile?
Meet the nano-chameleon, a new contender for the title of world's smallest reptile
March 2, 2021
Mercury’s greatest elongation Mar 6, 2021
Mercury, the innermost planet, has a close conjunction with the king planet Jupiter on March 5, and then reaches its greatest elongation from the sun on March 6.
March 2, 2021
Moon, star Spica on Mar 1, 2021
This evening - March 1, 2021 - look eastward before going to bed and you just might catch the bright waning gibbous moon and the star Spica over the horizon.
March 1, 2021
