Featured in Hubble
These ‘super puff’ planets have the same density as cotton candy
Their impossible fluffiness has researchers scratching their heads.
Behind the looking glass of the world’s biggest telescope
It will take University of Arizona scientists a year to polish each 18-ton mirror. They plan to finish by 2028.
How scientists colorize Hubble’s deep space photographs
The process is fascinating.
A bizarre new theory connects supernovae explosions with humans’ ability to walk upright
We're going to need some more evidence.
This stellar Crab Nebula image is the perfect way to celebrate Hubble’s birthday
Megapixels: Binary stars are at the heart of this celestial crustacean.
Megapixels: New Hubble image offers a detailed look at the Triangulum Galaxy
It contains a whopping 665 million pixels.
Megapixels: NASA snapped a shot of a holiday ‘wreath’ in space
It's actually more of a holiday yardstick.
Astronomy’s next big discovery is probably hiding in piles of old data
The ability to gather more information means we'll spend more time sifting through it.
Here’s an amazing new picture of the Lagoon Nebula to celebrate Hubble’s 28th birthday
Happy birthday to the best space telescope ever! Love, PopSci.
Glowing galaxies, marshmallow-like ceramics, and other amazing images of the week