The Lucy spacecraft is heading to Jupiter's Trojan asteroids. But now it made its 2nd asteroid encounter with the main-belt asteroid Donaldjohanson on April 20.
Astronomers have discovered the most distant known spiral galaxy. It's thought be similar to what our own Milky Way galaxy looked like, 1 billion years after the Big Bang.
Scientists at The University of Warwick in the U.K. said they've identified 2 nearby doomed stars headed toward a supernova explosion in about 23 billion years.
ESO's Paranal Observatory, in Chile's Atacama Desert, has some of the world's clearest and darkest skies. But a new construction project now threatens them.
Kelly Kizer Whitt writes and edits some of the most fascinating stories at EarthSky.org. She's been writing about science, with a focus on astronomy, for decades. She began her career at Astronomy Magazine and made regular contributions to other outlets, including AstronomyToday and the Sierra Club. She has nine published books, including a children's picture book, Solar System Forecast, and a young adult dystopian novel, A Different Sky.