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EarthSky Voices

Milky Way’s ‘ultra-faint dwarf galaxies’ help probe early universe

Ultra-faint dwarf galaxies preserve clues to early-universe conditions, acting as cosmic fossils. Simulations show whether they formed stars or stayed dark.

Earth images from space: 10 incredible photos of our planet

Happy Earth Day! As a celebration of Earth, enjoy these photos, a collection of the 10 best Earth images from space. What are your favorites?

Meteor showers are here! 10 easy tips for watching

Meteor showers are unpredictable but nothing beats them for a fun and relaxing time under the stars. Here are our 10 tips to optimize your meteor viewing time.

Do Newton and Einstein’s laws of gravity hold across the cosmos?

Newton and Einstein's laws of gravity hold true across the largest structures in the universe. This new evidence strengthens the case for dark matter.

Simulating how black holes light up the dark

When black holes tear apart stars, the wreckage heats up, creating brilliant flares. New simulations are showing these flares with more detail than ever before.

DESI’s 3D map of the universe is complete!

Astronomers have completed the largest, most detailed 3D map of the universe ever made. It will help reveal how dark energy shapes the cosmos.

See and hear galaxies evolving in new simulations

See and hear galaxies evolving in new simulations with this video. The simulations help astronomers trace growth from the early universe to today.
Earth

Hidden soil fungi stole bacterial DNA to control the rain

Some soil fungi have a superpower, inherited from bacteria. It means they can reach up into the atmosphere and pull down the rain.

New meteor shower from an asteroid being eroded by the sun

A new meteor shower has been linked to an asteroid that was broken up when it passed too close to the sun. Find out more here.

Supermassive black holes could merge in 100 years

For the first time, astronomers have direct evidence of a close pair of supermassive black holes in a galaxy. These black holes could merge in 100 years.