With strength in numbers, the smallest galaxies may have completely transformed the early cosmos.
After thousands of years, we’re getting more consistent age estimates.
The size and shape of the Milky Way’s halo may hold clues to the history of our universe.
The microbes thrived in pure hydrogen conditions, suggesting alien microbes might as well.
They’re the oldest things you could possibly touch.
Put these on your nightstand.
People will put up with a lot to achieve a first—but a researcher warns against a longer route to the...
The universe’s biggest parts are also some of the hardest to see.
Given all the real estate in the cosmos, astronomers generally agree there's got to be other beings out there. A...
We haven’t seen a rock like this in 50 years.
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