Like, can we even do that?
Seeking a distant pale blue dot
Now to figure out if it has liquid water. Or an atmosphere.
Before Breakthrough Starshot goes interstellar, let's test the laser sails
Here's what the astrophysicist says about the future of space exploration
The star system is 25 trillion miles away
Shooting for the stars.
Sid Meier and Yuri Milner know why
We need tiny spaceships. Lots of 'em.
The closest potentially habitable planet has an intriguing interior
Going to Alpha Centauri "within a generation"
Stars tell stories, guide explorers, and help scientists talk about the galaxy.
Now, the KickSat may power Yuri Milner's $100 million Breakthrough Starshot Project
The enormously ambitious mission faces a few challenges
When you're traveling this fast, every little speck counts
It could be 20 or 30 years until we can build a laser big enough
Directed energy may be the key to rapid interstellar travel
Breakthrough Starshot, but for romantics
Autonomous science-bots will make it easier to explore our solar system … and beyond.
It's just plane confusing.
"Seeing color in a nebula from a garden in San Francisco? That's pretty cool."
You have died of dysentary
A potentially habitable world only 4.2 light years away
Instead of hosting planet-friendly dust, Proxima Centauri spews radiation.
Megapixels: Binary stars are at the heart of this celestial crustacean.
Before we built the International Space Station, these concepts promised incredible futures.
Giant planet orbits three stars at once
TESS will give us a new view of our galactic neighborhood.
Close encounters of the stellar kind
Could this transmission come from intelligent life?
We get it, Sun, you're the best and brightest
Three of them may be habitable
It's close, but you won't want to visit.
These are the first exoworlds named by the public
Here's hoping you have a 4K monitor handy
His favorite astronaut, his most beloved fictional space explorer, and the discoveries that would have changed the plot of 'The Martian.'
No such thing as too many Pluto pics
A slow-motion look at past missions
So long, and thanks for all the planetary science
Our world is amazing
No need to call Mark Watney
And 3D print your own at home
Scientists directly imaged two embryonic exoplanets 370 light-years away.
Imagine taking a road trip to visit an old friend, driving for nine years, and finding out that, along the way, they had a couple more kids and turned into a potato
The end of a year in space
"That's no moon"
After 534 days in orbit, the astronaut returns to earth
Humankind's greatest adventure lies beyond the sun
What's a nice molecule like you doing in a space like this?
Archives set to music
3, 2, 1, Action!
A beautiful new image of the aptly named Bubble Nebula
Prepare for some timey-wimey...stuff
Red, white, and black
Columnist William Gurstelle travels to McDonald Observatory in Texas
How a simple, but effective telescope works
The Martian explorers might benefit from shoes that buzz
Cumulative record: 520 days and counting
Sadly it's not walkable
Experience over two minutes of glorious darkness.
Science is art
Explore the architecture of the universe
Canada's newest astronaut, David Saint-Jacques, has big space boots to fill
This is (probably) good for earthlings
Deep under the icy crust
Come on, Eileen
A workshop this fall will fine-tune potential designs
Watch a time-lapse here
One half of a satellite pair that will map the Earth's entire surface every 5 days
The duo spending a year in space talk HoloLens, micro-gravity gardening, and more
The first in a new animated series explaining science's most fascinating mysteries
Augmented reality in space
Four little probes tell the story of space weather
A look behind the scenes of NASA's advanced solar probe
Three designs for an in-suit toilet take home $30,000
One of 10 award-winning science visualizations from the 2015 Vizzies
Tune in Friday at 4:30 a.m. ET to watch the moon eclipse the sun
This isn't good news for a future Mars trip
Pale blue dot
It's the next best thing to actually being there
We asked a bunch of our favorite people about their holiday plans
He thinks he can get humans to Mars by 2025
Scenes from this weekend's event at Texas A&M
Stephen Hawking wants a ride. Do you?
One of these could be your next president
A new experiment launches to the ISS in June
Where there's smoke...
Curators of leftover satellites and stations could be the next hot job
Our closest look at the largest planet could answer many unsolved mysteries of our solar system
Looking for life in weird places
Charon's polar cap once belonged to Pluto
An incredibly luminous snack.
Saturn's northern pole is home to a six-sided feature that mystifies scientists.