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EarthSky Voices

Space-time, the interwoven fabric of space and time

Space-time lies at the heart of modern physics, yet its true nature remains unclear. Is it a fixed structure, a dynamic field, or just a metaphor?

Baby planet caught carving a path in its star’s dusty disk

Astronomers spot a baby planet shaping its star’s protoplanetary disk. This is a rare look at planet formation in action, 430 light-years from Earth.

See the Trifid nebula aka Messier 20 tonight

If you have a dark sky, you can spot the Trifid nebula as a fuzzy patch within the Milky Way. And binoculars or a telescope will reveal more details.

Star spots and planetary transits on distant stars

NASA scientists use TESS and Kepler data with a new method to map star spots on distant stars to enhance our understanding of stellar activity and exoplanets.

Asteroid Bennu samples reveal dramatic solar system past

Research on Asteroid Bennu samples brings to light diverse characteristics that give insight into how, when and where the asteroid was formed.

All of the first stars might not have been massive

Recent studies suggest not all of the first stars in the universe were massive. Some of them could be up to only 40 times the mass of the sun.

Could Ceres have been habitable? New research holds a clue

Could Ceres have been habitable? New research indicates it might have had the energy necessary to support some microbial metabolisms.

New moon discovered orbiting inside distant Uranus’ rings

Astronomers have discovered a new moon orbiting Uranus. The newly found moon - the planet's 29th - is just 6 miles wide.

Rare quadruple star system could unlock brown dwarf mystery

A quadruple star system consisting of 2 red dwarfs and 2 brown dwarfs offers insight in the mystery of brown dwarfs, also known as failed stars.

Iberian Peninsula wildfires bring smoky skies to Europe

See a satellite view from space showing the Iberian Peninsula wildfires and the smoke that is degrading air quality in the region.

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