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Cosmic anomaly hints at frightening future for Milky Way

Astronomers have spotted a cosmic anomaly: a huge, delicate spiral galaxy with massively powerful jets. What does this mean for our Milky Way galaxy?

EarthSky Voices

March 21, 2025

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.

Kelly Kizer Whitt

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.

Kelly Kizer Whitt

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.

Kelly Kizer Whitt

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.

Paul Scott Anderson

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.

Paul Scott Anderson

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.

Paul Scott Anderson

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.

Kelly Kizer Whitt

March 14, 2025