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Most distant known galaxy is mature in a baby universe
Astronomers have discovered oxygen in the most distant known galaxy. So, the stars are surprisingly older than we'd expect for the early universe.
March 20, 2025
A new data release hints dark energy may be weakening
A new data release from the Dark Energy Spectroscopic Instrument hints that the universe's dark energy is not constant and may be weakening over time.
March 19, 2025
New Euclid images reveal hidden gravitational lenses
New Euclid images dive deep into our universe, unveiling millions of galaxies, along with galactic clusters, quasars and gravitational lenses.
March 19, 2025
Rare Kuiper Belt triplet might be one of many
Is Altjira a Kuiper Belt triplet system? Astronomers thought there were 2 rocky objects close together. But new Hubble and Keck observations suggest it's 3.
March 19, 2025
New evidence: humans and Neanderthals interacted in Israel
Artifacts and human remains from Tinshemet Cave in central Israel indicate that modern humans and Neanderthals in the Levant interacted with each other.
March 19, 2025
Blue Ghost ends its pioneering mission with the sunset
Firefly Aerospace's Blue Ghost mission has come to a successful end with the setting of the sun on the moon, as it enters 2 weeks of darkness.
March 19, 2025
A superb Venus inferior conjunction by Guy Ottewell
Venus will pass between Earth and the sun on March 22-23. You might be able to see Venus in both the morning and evening twilight for a few days before then.
March 18, 2025
Look for equinox shadows in a direct line from west to east
Equinox shadows are unique. On this day - and only this day - the tip of an upright stick's shadow follows a straight path, west to east, all day long.
March 18, 2025
Life on Mars? Odd rings and spots tantalize scientists
Two new science papers make the case that "leopard spot" and "poppy seed" features in an ancient river rock might be the long-sought evidence for life on Mars.
March 17, 2025
A rare and elusive frog found again after 130 years
A frog was found again after 130 years! Learn how a the team of scientists finally found one of the rarest and most elusive amphibians.
March 17, 2025
