Two black holes are defying the limits of science
They're chewing up companion stars faster than physics would normally allow.
NASA gets new Dragon capsule training simulators this year
The touchscreen systems will train astronauts on every phase of ISS supply missions.
Scientists find rare 3-star system with a hot Jupiter-like planet
It's proof that the universe is full of surprises.
SETI to begin searching older star systems for sentient life
The institute will now survey red dwarfs as well Suns like ours.
Unique white dwarf will help clarify what happens to dying stars
With an atmosphere made of oxygen, it's the first of its kind. And a mystery.
NASA takes a Super-Earth's temperature
Researchers confirm 55 Cancri e is not a nice place to live.
Amateur astronomers caught a Jupiter impact on camera
An asteroid or comet smacked into the gas giant, and there's telescope video to prove it.
Solar storms trigger X-ray auroras on Jupiter
If you could normally see X-rays, they'd be awe-inspiring.
Here's why the surface of Mercury is so dark
The tiny planet is covered in a light-absorbing element.