How far away is Pluto?
Voyage to the edge of the solar system: Visualizing the 3-billion-mile divide
NASA
NASA releases "sneak peek" photo of Pluto
New Horizons spacecraft has reached the dwarf planet; space agency sends out stunning color image; history being made in outer solar system
Pluto probe hours from once-in-a-lifetime flyby
NASA's New Horizons probe hurtled ever closer to Pluto Monday, on track for a dramatic flyby Tuesday
New Horizons sheds light on Pluto's moon Charon
The mysterious object has apparent impact craters and what looks like huge chasms longer and deeper than the Grand Canyon.
New Horizons probe races toward historic Pluto flyby
"This is a scientific wonderland ... like nothing we have ever visited in the history of planetary exploration"
Excitement builds for Pluto's big close-up
"I don't expect that we will see another mission to big real estate that has not yet been explored," says NASA scientist
Closing in, New Horizons snaps best pix yet of Pluto
Taken from under 4 million miles away, a celestial stone's throw, new images of Pluto bring the icy dwarf into amazing focus
NASA astronauts picked for Boeing, SpaceX ISS flights
NASA has selected four astronauts to train for flights to the space station aboard Boeing and SpaceX commercial crew ships
X-rays from the sun reveal a rainbow of colors
A new NASA image shows active regions on the sun's surface giving off searing blues, greens, purples and yellows
Millions of black holes hidden behind veils of dust
Scientists have pulled back the celestial curtain on a universe potentially filled with supermassive black holes
Pluto probe working "flawlessly" after brief scare
The Pluto-bound New Horizons is out of safe mode and ready to resume science operations, one week from its historic flyby
Blood-red scars on Jupiter's moon Europa
This image, sent back by NASA's Galileo spacecraft, shows the moon covered with deep red gashes that look oddly biological
New Horizons to resume normal operations
NASA has resolved a subtle timing glitch that briefly knocked the Pluto-bound New Horizons probe out of action.
Follow the Pluto flyby from your smartphone
A free app gives armchair astronomers and Plutophiles a front-row seat for the historic encounter
New Horizons gets "all clear" for Pluto flyby
An exhaustive search has turned up no signs of potentially dangerous debris along the path of NASA's Pluto-bound New Horizons probe
New Horizons two weeks from historic Pluto flyby
NASA's probe is a mere 10 million miles from the enigmatic dwarf planet at the farthest reaches of the solar system
On Asteroid Day, raising awareness of threat to Earth
Scientists delcare first Asteroid Day to educate and raise awareness about the risks posed by space rocks
"Leap second" to be added to the clock Tuesday
The day will be one second longer than usual to compensate for the fact that Earth's rotation is slowing down
SpaceX set for space station launch
A SpaceX Falcon 9 rocket carrying a Dragon cargo ship bound for the space station is set for launch Sunday morning
NASA honors fallen astronauts, lost shuttles
A new memorial at the Kennedy Space Center honors the crews of Challenger and Columbia
Massive black hole wakes up after 26 years
After a quarter century of silence, a black hole the size of 12 suns is bursting with X-ray and gamma ray activity
This pic made astronaut Scott Kelly do a double take
"I've never seen this before... Spectacular!" the astronaut tweeted when he spotted this sight from the space station
Venus, Jupiter on beautiful "collision" course
Stargazers will see a special sight in the night sky this weekend and there's more to look forward to over the next few weeks
New NASA photo shows Mercury bursting with colors
The image from NASA's Messenger probe shows the planet is nothing like the dull, grey spot that you would see from Earth
Jack King, legendary "Voice of NASA," dies at 84
Jack King, the NASA commentator who counted down the launch of the Apollo 11 mission to the moon, died Thursday
Tennessee prison system head to resign after failed Christa Pike execution
Debris found of medical plane that went missing near Nantucket with 6 on board
Cornell president says school "must do better" amid criticism of its investigation
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Senior Trump administration officials met to discuss Iran war at Camp David
Trump urges daylight saving time bill supporters to personally call Sen. Cotton
Iowa approves pricy foreign-owned steel plant project in swing district
Zach Bryan wears "Free Palestine" shirt during concert at Gillette Stadium
More details emerge about FlyDubai co-pilot who tried to crash plane
