This image shows a huge piece of cheese—sorry, the Moon—over the Sierra Nevada mountains behind Los Angeles, California. The colors of the city skyline and the mountains behind it are stunning.
A new study adds to a growing body of evidence that suggests asteroid impacts played a critical role in the emergence of life on our planet.
Without the mass stellar migration, life may not have been able to form on Earth.
Comet MAPS (C/2026 A1) is set for a dangerous brush with our star.
The planned orbital illumination system seeks to deliver sunlight after dark.
An early morning eclipse will sweep across North America on March 3, posing a challenge for skywatchers along the eastern half of the continent.
A fresh analysis of Comet 41P/Tuttle-Giacobini-Kresák observations suggests it abruptly reversed its spin after its last Earth flyby—an extreme and unprecedented change.
