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+4 +1
Human urine could help astronauts build Moon bases — no joke
It’s not an April Fools’ gag. Scientists just confirmed that urea, a main component of human pee, can be used as a valuable additive for 3D-printed structures made from lunar soil.
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+9 +1
Interview: Jim Lovell relives the successful failure of Apollo 13
The famous astronaut recounts Apollo 13 — the mission that almost didn’t make it home.
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+13 +1
A spacecraft is about to swing by Earth to get a gravity assist on its way to Mercury
And you may be able to spot it with a telescope or binoculars.
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+12 +1
50 years after Apollo 13, we can now see the moon as the astronauts did
With data from NASA's LRO mission, researchers have recreated what the Apollo 13 astronauts saw on their trip around the moon.
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+12 +1
Cheops telescope begins study of far-off worlds
Europe's newest space telescope starts its study and characterisation of distant planets.
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+16 +1
Voyager: What’s next for NASA's interstellar probes?
Thousands of years from now, Voyager 1 and Voyager 2 will leave our solar system. But their instruments will stop working long before that happens.
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+21 +1
New Study Examines Which Galaxies Are Best for Intelligent Life
Galaxies such as our own Milky Way are more likely to harbor intelligent, technologically advanced civilizations, paper argues.
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+11 +1
Astronomers think they’ve found 19 alien objects lurking in the solar
By tracing back the orbits of these icy objects, some researchers think they have interstellar origins. Others, however, remain extremely skeptical
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+25 +1
How a long-gone Apollo rocket returned to Earth
An amateur astronomer’s discovery kicked off a Space Age detective story.
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+14 +1
Scientists puzzle over massive, never-before-seen star system in the Milky Way
Earlier this year, an international team of scientists announced the second detection of a gravitational-wave signal from the collision of two neutron stars. The event, called GW190425, is puzzling: The combined mass of the two neutron stars is greater than any other observed binary neutron star system. The combined mass is 3.4 times the mass of our sun.
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+19 +1
No one thought SpaceX would beat Boeing. Elon Musk proved them wrong.
Wednesday's scheduled launch of SpaceX’s Crew Dragon capsule with astronauts aboard would be not only the first crewed launch to orbit by a private corporation but also a major upset in a new kind of space race.
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+8 +1
SpaceX to make history with crewed ISS mission. Here's how to watch.
The Demo-2 launch, carrying NASA astronauts Doug Hurley and Bob Behnken, will lift off from Kennedy Space Center in Florida on May 27.
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+3 +1
Why astronomers now doubt there is an undiscovered 9th planet in our solar system
Planet Nine is a theoretical, undiscovered giant planet in the mysterious far reaches of our solar system. The presence of Planet Nine has been hypothesized to explain everything from the tilt of the sun's spin axis to the apparent clustering in the orbits of small, icy asteroids beyond Neptune. But does Planet Nine actually exist?
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+14 +1
The History and Future of Telescopes on the Moon
For generations, astronomers have dreamed of building telescopes on the lunar farside. And that dream may soon be a reality.
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+11 +1
Your Guide to Saturn
The real Lord of the Rings is Saturn, a massive outer planet boasting a set of rings about 27 Earths wide. Being a gas giant like Jupiter, Saturn shares many of its attributes: a strong magnetic field generated by churning metallic hydrogen deep inside, raging storms in its gaseous upper atmosphere, and a diversity of planet-like moons that are worlds unto themselves. Saturn’s rings and larger moons are visible even from small backyard telescopes.
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'Infinite subrings' may be next frontier for photographing black holes
Peering so deeply would require adding a space component to the Event Horizon Telescope.
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Scientists say most likely number of contactable alien civilisations is 36
New calculations come up with estimate for worlds capable of communicating with others
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+4 +1
Europe's Sun mission makes first close pass
Europe's Solar Orbiter (SolO) probe makes its first close pass of the Sun on Monday, tracking by at a distance of just over 77 million km. SolO was launched in February and is on a mission to understand what drives our star's dynamic behaviour. The close pass, known as a perihelion, puts the probe between the orbits of Venus and Mercury.
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+17 +1
Super-Earths are real and they could be an even better place to live than Earth
There are many Earth-like planets where we could start interstellar colonies. But life on a super-Earth would be very different than life on Earth.
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Flat spots on Saturn’s moon Titan may be the floors of ancient lake beds
Bright radio signals from Titan indicate the presence of ancient lake beds in its tropics, a new analysis finds.
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