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Could a giant void explain the universe’s expansion?
Scientists think we could live in a giant void, a less-dense bubble leftover from the Big Bang. If so, it could explain the expansion rate of the universe.
December 7, 2023
Einstein’s gravity and quantum mechanics united at last?
Modern physics is founded on 2 pillars: Einstein's gravity and quantum mechanics. But these 2 theories contradict each other. Does this theory reconcile them?
December 6, 2023
Astronomers spot 1st giant stream of stars between galaxies
Astronomers have found the 1st giant stream of stars outside a galaxy. It lies among the galaxies in the Coma cluster, and it may shed light on dark matter.
December 6, 2023
Exoplanet art lets you visualize alien worlds
Enjoy the exoplanet art of Martin Vargic. Martin illustrated more than 1,000 exoplanets based on astronomers' discoveries of alien worlds around other stars.
December 6, 2023
1st planet-forming disk found in another galaxy
For the first time, astronomers have discovered a planet-forming disk around a young star in another galaxy outside our own Milky Way galaxy.
December 5, 2023
Use Orion’s Belt to find 4 bright stars in the sky
How to use Orion's Belt to find 4 bright stars - Betelgeuse and Rigel in Orion - Aldebaran in Taurus the Bull and Sirius in Canis Major.
December 5, 2023
2023’s most-illuminated quarter moon is tonight
Some quarter moons are fuller than others! The most-illuminated quarter moon of 2023 is on December 5. Learn more unique moon dates for 2024.
December 4, 2023
What the Chinese Zhurong rover found beneath Mars’ surface
China's Zhurong rover has found polygonal wedges below the surface in Utopia Planitia on Mars. Freeze-thaw cycles of water and ice likely created the polygons.
December 3, 2023
Kelvin-Helmholtz clouds look like ocean waves
Kelvin-Helmholtz clouds - aka fluctus clouds - can sometimes look like ocean waves. Check out these photos of them!
December 3, 2023
Mirfak is the brightest star in Perseus the Hero
Mirfak is the brightest star in Perseus and is visible even from light-polluted locations. This star is a member of the Alpha Persei Moving Cluster of stars.
December 3, 2023
