You Searched For "best telescope on earth" and got 20 results
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4 mins read
NASA's planet-hunting telescope found an Earth-size exoplanet 100 light-years away. It could hide a vast ocean.
TOI 700 d sits in its star's Goldilocks-like habitable zone - the area around a star where it's not…
Aylin Woodward
4 mins read
The Earth did not get its water from asteroids — it may have had it all along
The prevailing theory on how the Earth got its water is that the planet was born dry and water was …
4 mins read
We could be the last humans to see the green comet passing Earth for the first time since the Ice Age. Here's how, where, and when to watch it.
Bright green Comet ZTF may be visible to human eyes for the last time ever. Here's how, when, and w…
Morgan McFall-Johnsen,Kenneth…
10 mins read
Astronaut says a neglected telescope is NASA's best chance of defending Earth from 'city killer' asteroids - 'for God's sake, fund it'
The NASA competition it was a part of, called Discovery, values scientific firsts - not ensuring hu…
Dave Mosher
5 mins read
The Arecibo telescope's 900-ton platform has crashed into its disk below and destroyed the iconic radio observatory
One of Earth's key radio telescopes fell in on itself, dealing a major blow to astronomers' searche…
Aylin Woodward,Dave Mosher,Mo…
4 mins read
Jupiter and Saturn will appear closer in the sky than they have for 800 years on Monday, aligning as a 'double planet.' Here's how to see it.
On Monday, December 21, Jupiter and Saturn will be the closest they've been in the sky since the ye…
Aylin Woodward
5 mins read
The iconic Arecibo telescope faces an imminent, catastrophic collapse. Engineers are now racing to deconstruct it.
One of Earth's two key radio observatories has been damaged beyond repair. The loss is a major blow…
Morgan McFall-Johnsen,Dave Mo…
5 mins read
NASA is finally planning to launch a space telescope to detect deadly asteroids before they hit Earth. Here's how it could work.
"This is a great step forward for thinking about human destiny, because the dinosaurs certainly did…
Morgan McFall-Johnsen
5 mins read
We'd need 5 to 10 years' notice to stop a killer asteroid heading for Earth
In a recent NASA simulation, scientists had six months to stop a hypothetical asteroid from hitting…
Morgan McFall-Johnsen,Aylin W…
2 mins read
Photos show what the Arecibo telescope looked like before and after its disastrous collapse
Compare images of the iconic Arecibo telescope in Puerto Rico before and after its platform fell 45…
Susie Neilson
2 mins read
Astronomers discover three planets orbiting younger Sun-like star
An international team of astronomers has discovered a trio of hot worlds larger than Earth orbiting…
5 mins read
NASA's Cassini probe is about to plunge to its doom - and its fiery death may be visible to telescopes on Earth
"Those objects were so much bigger and so much more massive than Cassini, and a lot of those strike…
Dave Mosher
2 mins read
Two dozen superhabitable planets identified — some older, a little larger, slightly warmer and possibly wetter than Earth
Researchers have identified two dozen planets outside our solar system that may have conditions mor…
2 mins read
A planet made of melted metal could be the key for finding the next Earth
A planet that’s gassy like Jupiter with melted metals in its atmosphere, and placed right next to t…
3 mins read
Super-Earths are real and they could be an even better place for life than Earth
There's just one problem leaving this tropical paradise would be extremely difficult. The escape ve…
María Soledad González Romero…
6 mins read
Scientists have discovered water vapor on a potentially habitable super-Earth for the first time. That planet is now our best bet for finding alien life.
"Habitability as we understand it is a very Earth-centric concept. So we know one world that is hab…
Morgan McFall-Johnsen
5 mins read
NASA's Hubble space telescope just took incredible photos of a visiting comet from another star system
"New comets are always unpredictable," Max Mutchler, another member of the Hubble team, said in the…
Morgan McFall-Johnsen
3 mins read
The Perseids meteor shower peaks on Wednesday and Thursday. NASA calls it the best of the year.
The Perseids, considered the year's best meteor shower, will peak starting Wednesday. Here's how to…
Aylin Woodward
4 mins read
Astronomers have discovered a potentially habitable world just 31 light-years away, thanks to NASA's planet-hunting telescope
So far, the telescope has found over 850 potential new planets. The next step is for ground-based t…
Morgan McFall-Johnsen
7 mins read
A 'mind-boggling' telescope observation has revealed the point of no return for our galaxy's monster black hole
On big scales, it's a window into the history and evolution of the Milky Way galaxy, which rotates …