Using NASA's Chandra X-ray Observatory, astronomers have discovered what is triggering repeated outbursts from a giant, unstable star.
Source: [Phys.org](https://phys.org/news/2026-11-supernova-impostor-chandra-source-giant.html)
A 2019 astronaut photo shows the near-perfect cone of a highly active volcano poking its heavily scarred and partially snow-covered head above a thick bank of low-lying clouds over the Kuril Islands.
The artificial nests are more robust than the endangered migratory birds' own mud creations.
Andrew Garfield’s portrayal of Sam Altman in “Artificial” is less than flattering, but there was a time when the actor deeply admired the OpenAI co-founder and CEO.
As the nights draw in, many of us can experience low mood. But for a small proportion of people a more intense depression develops through the winter months. It’s a phenomenon that since the 1980s has been labelled seasonal affective disorder, or Sad, and can be debilitating for sufferers.
The global campaign to restore the "soggy secret weapon" that can combat against climate change.
APOD Science APOD APOD: 2026 November 10 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation...