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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
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
Exciting! 4 new mini-Earth exoplanets at nearby star
Astronomers have confirmed 4 mini-Earth exoplanets orbiting Barnard's Star, a red dwarf and the closest single star to our solar system.
March 16, 2025
New Mars and Deimos pics from revealing Hera flyby
Hera is on its way to investigate the aftermath of our collision with an asteroid. But first it flew past Mars. See the new Mars and Deimos pics here.
March 14, 2025
Uranus discovered by accident on this date in 1781
William Herschel spotted Uranus in 1781 during a routine survey of the stars. It was the 1st new planet found since ancient times.
March 13, 2025
Powerful supernovas led to at least 2 mass extinctions
Researchers said that 2 of Earth's 5 mass extinction events were likely the result of nearby supernovas destroying Earth's ozone layer.
March 12, 2025
Remains of destroyed planet found lurking in Helix Nebula
Mysterious X-ray signals coming from the Helix Nebula most likely originate from the debris of a destroyed planet near a white dwarf star, a new study suggests.
March 12, 2025
128 new Saturn moons just announced. Incredible!
Astronomers have discovered a whopping 128 new Saturn moons. This brings Saturn's moon total to 274, by far the most of any planet in our solar system.
March 11, 2025
