"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient ...

An international team of researchers has suggested a "wild" new theory to explain the creation of these mysterious ancient ...

Rare ultra-faint dwarf galaxies beyond the influence of other galaxies show evidence that star formation was stifled long ago ...

Recent proposals suggest growing trees in Arctic regions to store carbon and slow rising temperatures. However, new findings ...

Ancient fossils found near Dubois have scientists rethinking the lifespan of reptiles — and how to include Native communities ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

Unusual detection bolsters evidence that the mysterious signals can be caused by different astrophysical events.

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

"The large volume of data from Rubin will give us a sample of all kinds of Type Ia supernovas at a range of distances and in ...

On March 15, 2024, a space-based observatory detected bursts of low-energy X-rays from deep in the ancient universe, ...