We have no idea why this happens -- but we do have hypotheses.
What is being seen is that the universe is expanding faster nearby than we would expect based on more distant measurements.
It's a planet -- no, it's a brown dwarf. No, it's... both?
With a bit of help from NASA, you can now hear the sun's roar -- and it's glorious.
It's quite possibly one of the most massive objects in the universe.
An incredibly fruitful mission sheds new secrets about the Milky Way.
NASA's future planet hunter has arrived -- and it's set for glory.
Probably the most interesting you're going to read today.
A new take on the whole 'twinkle twinkle' thing.
The theory shows that as long as Earth's interior stays hot, it should avoid this fate.
The elusive dark matter surprises us once again... this time by being absent.
If you happened to be alive 70,000 years ago, you'd be in for quite a show.
We've learned a lot about the early universe.
They've found planets in another galaxy -- if that's not jaw-dropping, I don't know what is.
Supermassive black holes slowly eject cold gas.