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Goodbye, Rock Friend! Mars rover loses pet rock
Fans react as the Perseverance Mars rover loses its pet rock, Rock Friend, this week after more than a year together. Thanks for the ride, NASA!
April 22, 2023
UFO hearing in Senate: New videos but no hard evidence
The Senate held a new congressional UFO hearing on April 19, 2023. It focused on the Pentagon's program AARO but also revealed interesting new videos and data.
April 22, 2023
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
