New research provides some clues about our solar system's most mysterious planet.
Looking at the stars takes you back through time. All the way to the beginning.
Astrophysicists measured all of the lights.
It's a dark period in the Universe's early days.
What we know about the mysterious life cycle of a black hole.
Hawking's posthumous paper is more like a ruminative twist on multiverse theory, but that's just fine.
When the stars align, you can zoom way in.
The phrase originated 69 years ago today.
Meanwhile in space: dusty donuts, 50 launches, and pizza storms on Jupiter.
Meanwhile in space: moon activity and satellites watching satellite launches .
It's just plane confusing.
In the December 1980 issue of Popular Science, a 38-year-old theoretical physicist answers the ultimate question about the universe.
And it's much bigger than we expected.
A gallery of photos, visualizations, and other pictures of outer space.
Where have they been hiding?
1.2 million galaxies
And it's giving Einstein a run for his money
Tuning in to the turbulence
Earth life: an early arrival at the party
Introducing the High-Definition Space Telescope
The biggest thing in the Universe is a cosmic hole
Scientists zero in on the size, shape, and speed of the gas that reconfigures galaxies
Read the suit in all its glory here.