telescopes
Asteroid impact: NASA simulation shows we are sitting ducks
Even with six months' notice, we can't stop an incoming asteroid.
New galaxy clusters found hiding in plain sight
The research suggests that roughly 1 percent of galaxy clusters look atypical and can be easily misidentified.
Hidden dwarf galaxies revealed in first images of the “cosmic web”
Not only does this give us a look at the scaffolding of the universe, we found some new galaxies too!
Discovery of two giant radio galaxies hints at more to come
The newly discovered galaxies are 62 times bigger than the Milky Way.
Astronomers have detected the first radio emissions from an exoplanet
Planets can emit radio waves. For the first time, we've picked them up from outside the solar system.
The world’s largest space camera’s first test subject? Broccoli.
Construction is nearly complete for a camera that will take 3,200-megapixel panoramas of the southern night sky.
A massive star has mysteriously vanished, confusing astronomers
A gigantic star makes off during an eight-year gap in observations.
Ask an astronomer: What makes neutron stars so special?
Astrophysicist Michelle Thaller talks ISS and why NICER is so important.
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Space exploration is the ultimate plan B. Here’s why.
Why did the dinosaurs go extinct? Because they didn't have a space program.
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There are 5 eras in the universe’s lifecycle. Right now, we’re in the second era.
Astronomers find these five chapters to be a handy way of conceiving the universe's incredibly long lifespan.
ESO astronomers observe exoplanet where it rains molten iron
The ESO finds another exoplanet that's definitely not a place for us to go.
2 new ways to find aliens, according to a Nobel Prize winner
Physicist Frank Wilczek proposes new methods of searching for extraterrestrial life.
What can old stars teach us about the birth of our galaxy?
These needles in the vast galactic haystack take more effort to find, but they help piece together our origins.
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7 min
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New study says cosmic acceleration and dark energy don’t exist
An Oxford scientist claims a Nobel-Prize-winning conclusion is wrong.
Astrophysicist claims “dark fluid” fills the missing 95% of the Universe
An Oxford scientist's controversial theory rethinks dark matter and dark energy.
Student of the stars: How do you become an astronomer?
NASA astronomer Michelle Thaller explains what astronomers actually do, and how can you become one.
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Could ‘Planet 9’ actually be an ancient black hole?
A new paper suggests a primordial black hole may be making things weird at the edge of our solar system.
Near-impossibly massive neutron star detected
Astronomers have recently discovered the most massive neutron star to date, nearly at the theoretical limit for such stars. But it's only about the size of a small city.
NASA observes a black hole feasting on a star
The TESS satellite captures rare images of a cataclysmic event in a faraway galaxy.
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Astrophysicists: Gamma-ray jets exceed the speed of light
Scientists find that bursts of gamma rays may exceed the speed of light and cause time-reversibility.
TESS satellite identifies nearby, potentially habitable super-Earth
We may find signs of life a mere 31 light-years away.
Something is producing weird orbits in the Kuiper belt — is it ‘Planet X’ or something else?
Some have suggested that there is no hidden giant out there.
The Moon is inside Earth’s atmosphere, European researchers say
Scientists examined data from 20 years ago to reach a startling new conclusion.
Here’s what the new TESS telescope has already discovered
It has already found several bizarre planets outside of our solar system.
Top 5 messages sent to alien civilizations
Between Carl Sagan's laughter, the brainwaves of somebody in love, and a live theremin concert, humanity has sent a lot of data out into the stars.
Science confirms: Earth has more than one ‘moon’
Two massive clouds of dust in orbit around the Earth have been discussed for years and finally proven to exist.
Harvard scientists suggest ‘Oumuamua is an alien device
It's an asteroid, it's a comet, it's actually a spacecraft?
Confirmed: The Milky Way’s monstrous black hole
A young star and a belt of gasses give the game away.