Astronomers have found the biggest and most distant black hole flare yet. It was likely caused by a massive star too close to a supermassive black hole.
Astronomers released a new radio view of our Milky Way galaxy on October 29, 2025. It's the largest low-frequency radio color image of the Milky Way yet.
A new study found Madagascar formed after 2 great rifting events. First it tore from Africa 170 million years ago and then from India 90 million years ago.
Astronomers have discovered a dead star is still shredding the remains of its ancient planetary system. The metallic debris is spiraling onto the white dwarf.
A new study has found that the Covid vaccine stimulated the immune system of cancer patients to attack tumors. Read more about this encouraging research.
The startup company Reflect Orbital has proposed putting hundreds of thousands of satellites with mirrors in space to illuminate areas of Earth at night.
Members of the EarthSky community - including scientists, as well as science and nature writers from across the globe - weigh in on what's important to them.