The upper atmosphere of Venus is surprisingly similar Earth.
Now astronomers want to know: what makes a star a star?
Researchers are testing how life on the International Space Station affects the microbiome.
And you thought this summer was hot
You can learn a lot from 4.5-billion-year-old rocks.
Buried under an ice cap, the water is so deep scientists couldn't probe to the bottom.
Cyborgs, and interstellar probes, and AI.
Can gardens help astronauts go farther?
The ability to gather more information means we'll spend more time sifting through it.
How much are you willing to pay to become an astronaut?
The early solar system was a wild, world-destroying place.
I is for interstellar.
Deep-sea vents could infuse Enceladus' ocean with microbe food
Naming new worlds is a confusing mess
According to new calculations by astronomers
They're launching to the International Space Station next week
A far-out plan to create swarms of self-replicating solar panel satellites
One of these could be your next president
The Rogallo wing was NASA's multi-million dollar 1960s attempt to stop ending its missions with splashdowns. It didn't work.
A watery success
There's something weird happening around a faraway star.
Piping hot Jupiter fries, please!
The ocean-filled moon might hold the life we've long searched for in space. And scientists have one shot to reach it.
Up, Up, And Away!
Scientists directly imaged two embryonic exoplanets 370 light-years away.
Giant planet orbits three stars at once
A moment of silence
A glimpse into the birth of solar systems
Are we made of interstellar stuff?
Curators of leftover satellites and stations could be the next hot job
The importance of today's landing
The latest from Rosetta's smashing mission
The Saturn explorer's death spiral begins on Sunday
Short answer: It depends who you ask
Different kinds of rocks have different kinds of water
These are the first exoworlds named by the public
Scientists are racing against the clock to inspect soil samples and get the lander un-stuck
Our solar system's largest planet is a master of disguise.
Read the suit in all its glory here.
How private corporations are using the station's lab for research and development
The record-breaking rodents will travel to the International Space Station this weekend.
But CEO Bas Lansdorp says the study used bad data.
A new vehicle design could enable same-day shipping from the ISS to Earth, making science experiments in microgravity cheaper and easier.
NASA is still trying to figure that out
Q&A with Amy Shira Teitel on 'Breaking the Chains of Gravity'
NASA is funding the development of engineered bugs that eat and excrete metal
The enormously ambitious mission faces a few challenges
What we learned at a space conference that puts inclusivity first
Their dream jobs just became a reality.
Eyes on the skies.
It's not just a big deal for future space tourists, either.
Microbes on ISS are changing their genes, but don't worry.
The first time we've caught a baby black hole in action.
NASA has been understandably stingy with the last of its pristine samples.
For a small, remote site in the desert with a modest staff, the High Speed Flight Station saw some incredible advances in aviation's that ultimately led to spaceflight.
Many hopefuls have signed up for a one-way ticket to the red planet. But if they aren't prepared, the trip may be a short one.
With near Earth space filled with numerous 'city killer' asteroids, we don't wanna miss a thing
The star system is 25 trillion miles away
Now, the KickSat may power Yuri Milner's $100 million Breakthrough Starshot Project
In an exclusive interview, the executive producers of NatGeo's 'Mars' miniseries discuss colonizing the red planet
The addition of Charles Miller to the NASA "landing party" bodes well for private space companies
Our eyes in the sky are facing budget cuts
Citizen scientists, assemble.
Reflections from a prodigious force in space exploration.
Should we go? Can we afford to go? All this, and more.
We think you can, Opportunity.
Lucy in the sky with nanodiamonds.
Shamu dreams of Europa.
Teaming up to explore the galaxy with an AI assist.
New high-res images from New Horizons reveal a very blobby space rock.
Fluid dynamics on the International Space Station makes growing tomatoes difficult.
Human hibernation could be a great way to get to Mars (and beyond), but a few big questions remain.
About 120,000 civilians will see everything from arc jets and astrobiology labs to giant centrifuges and wind tunnels.
Yesterday's Antares failure was not exactly unprecedented.