Some of the most massive and influential stars in the universe are OB stars. These blue giants, many times more massive than ...

There are many home-grown problems on Earth, but there's still time to worry about bad things arriving from above. The most ...

NASA’s science programs budget could be slashed by 50 percent in fiscal year 2026, people familiar with the Trump administration’s budget request warn ...

At least two mass extinction events in Earth's history were likely caused by the "devastating" effects of nearby supernova ...

Jan Osburg, a leading American planetary defense expert who helped ... Yet there is no way to be certain exactly when the next potential “extinction event” collision could appear.

The current mass extinction differs from all others in being driven by a single species rather than a planetary or galactic physical process. When the human race — Homo sapiens sapiens — migrated out ...

We have a "Great Planetary Alignment" coming up, and if the weather cooperates, night sky watchers in Boston could get a glimpse of this rare sight. You may have heard whispers about this over the ...

The Planetary Society, which bills itself as the world’s largest nonprofit space organization, said its independent sources have verified the science-cutback budget proposal — and they would ...