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Marsquakes reveal red planet’s deep secrets
NASA's InSight lander provided seismic data from marsquakes that shows that Mars' core is smaller and denser than scientists previously thought.
May 3, 2023
Add EarthSky to the home screen on your phone!
Add EarthSky to the home screen on your phone for easy access to our stories and night sky information. Here's how to do it!
May 3, 2023
Black hole and its jet imaged together for 1st time
For the 1st time, astronomers have taken an image of a black hole that shows both the black hole and a powerful jet of material being blasted away from it.
May 2, 2023
How do flocking birds move in unison?
How do some flocking birds perform their wonderful, graceful, synchronized movements? Hint: they don't just follow a leader or their neighbors.
April 30, 2023
The world’s fastest bird is the Peregrine falcon
When in its hunting dive, the Peregrine falcon is the fastest bird - in fact, the fastest animal - on Earth. Get a bird's-eye view of the flight in this video.
April 30, 2023
Voyager 2 science mission extended another 3 years
NASA has found a way to conserve power on Voyager 2, allowing for its science mission to extend another three years. Read more about it here.
April 30, 2023
Sun activity archive for April 2023
Sun activity archive for April 2023. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
April 30, 2023
Asteroid Phaethon – parent of Geminid meteors – gets weirder
The asteroid Phaethon is the parent object of the annual Geminid meteor shower. It forms a comet-like tail made of sodium, not dust.
April 28, 2023
How a Venus flytrap knows when to shut
A fly, attracted to nectar on a strange leaf shaped like an open clam, is about to have a really bad day. Fly, meet the Venus flytrap.
April 28, 2023
SpaceX debris’ fiery reentry over Arizona and Colorado
In the early morning of April 27, 2023, SpaceX debris made an uncontrolled reentry over Arizona, New Mexico and Colorado, lighting skies and causing loud booms.
April 27, 2023
