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Historic Starship launch, success. Explosive finale!
The SpaceX Starship launched successfully on Thursday, April 20. Details here, plus a place to rewatch the broadcast stream.
April 21, 2023
Hybrid solar eclipse photos: April 20, 2023
Enjoy these April 20, 2023, hybrid solar eclipse photos from the EarthSky community. Do you have a photo? Share it with us!
April 20, 2023
Young moon on April 20: Will you see it under a day old?
Occasionally you get the chance to look for a very young moon, less than 24 hours old. Those in North America, may see one just after sunset on April 20.
April 20, 2023
What are brown dwarfs?
Brown dwarfs are more massive than a planet, but less massive than a star. They can be found orbiting stars, or traveling around in the galaxy on their own.
April 20, 2023
Hybrid solar eclipse: An annular-total on April 19-20
A hybrid solar eclipse will cross Australia, Timor-Leste and Indonesia on April 20, 2023. Surrounding areas will see a partial eclipse. Find maps and more here.
April 19, 2023
A geomagnetic storm is caused by activity on the sun
A geomagnetic storm is a disturbance in Earth's magnetic field, caused by activity on the sun. The current solar cycle number 25 has triggered a few of them.
April 19, 2023
California flood risk rises as snow melts
The California flood risk is rising as the epic snowpack is melting in the warmer spring weather. Learn more about the flooding risk here.
April 19, 2023
New protoplanet discovered 374 light-years away
An international team of astronomers has discovered a new protoplanet - a young, still-forming planet - 374 light-years from Earth. It is still buried in dust.
April 19, 2023
1st image of a black hole … now new and improved!
Do you remember the 1st-ever photo of a black hole released in 2019? Researchers have now produced an even better, sharper version using machine learning.
April 18, 2023
3D map of giant galaxy M87 shows it’s potato-shaped
Scientists analyzed the motion of stars to make a new 3D map of giant galaxy M87. This map shows that the huge elliptical galaxy has a potato shape.
April 17, 2023
