It’s the technique, from the Event Horizon Telescope, that brought us a black hole’s image. Here’s how it works. The Event Horizon Telescope has accomplished what no other telescope or telescope […]
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Two of our biggest science-fiction dreams might not remain fiction for much longer. Here’s how 21st-century science could make it real. For as long as human beings have looked up at […]
We know that life is possible on an Earth-like world around a Sun-like star. But can it find a way on a Super-Earth? When it comes to the origin of […]
All the other planets have craters, icecaps, clouds, or a rich, banded structure. But not Uranus. The eight major planets of the Solar System all possess their own unique features. The […]
From 4 billion miles away, it says a lot about the meaning of time.
“Here I want to remind all of you of a fact that the U.S. publicly defines outer space as a new battlefield,” a Chinese foreign minister said.
Scientists just discovered 12 new moons orbiting the planet Jupiter, and they’re… interesting.
If they saw us as we were before the recent industrial revolution, would there be any reason to particularly care about us? All across the Universe, trillions of galaxies can be […]
About 3.8 billion years ago, the inner planets were bombarded with a cataclysm of asteroids. Could Planet V have been the cause?
NASA’s Cassini spacecraft taught us more than we ever imagined about Saturn. Could we do something similar for Uranus and Neptune? From where we are in the Solar System, looking out […]
If you understand gravity well enough, you might not even need a telescope to revolutionize astronomy. In science, advances arise at the intersection of theory and real-world observation. One of […]
Jim Peebles, Michel Mayor and Didier Queloz just won the 2019 Nobel Prize in Physics. It couldn’t be more well-deserved. Every year, the Nobel Prize reminds all of humanity to […]
You get out what you put in, and we haven’t truly invested in space since Apollo ended. Humanity should be an interplanetary civilization by now. There is no scientific reason that […]
The first planet beyond ‘naked eye’ astronomy will pass within just 1° of Mars. Although there are eight major planets in the Solar System, most of us never see Uranus or […]
It may have been captured by Neptune since it formed, but Triton remains king of the Kuiper belt. Our Solar System is arguably the most well-studied corner of the Universe, with […]
It will be the most extreme test of Einstein’s General Relativity ever. And we already have the data. With every year that goes by, the total amount of knowledge that humanity […]
Our planet is rare, precious, and fragile. It’s up to all of us to be its steward. With the advent of rocketry and spaceflight, our cosmic perspective changed forever. The very […]
What’s more massive than the heaviest known neutron star but lighter than the lightest known black hole? LIGO may be about to solve that mystery. Whenever a star is born in […]
It was captured by the Parker Solar Probe, which is currently studying the star.
This asteroid is feeling itself, clearly.
Mars will never look as big as the full Moon. But it isn’t even the biggest planet. From humanity’s perspective, the Sun and Moon always dominate Earth’s skies. The Moon and […]
We aren’t lunarly exclusive. Earth has a few minimoons whizzing around us, including one that comes back into our orbit every 20 years or so.
The top of Mauna Kea is the ideal physical site for this new, ready-to-be-built telescope. But that’s far from the only concern. For many years, astronomers have looked forward to a […]
What inspired the Mona Lisa, China’s Terracotta Warriors, and more?
This is what we’ve learned from first object ever discovered to enter our Solar System from interstellar space. Billions of years ago, our Solar System was an extraordinarily different place […]
It has already found several bizarre planets outside of our solar system.
It’s unlikely that there’s anything on the planet that is worth the cost of shipping it back
What took hundreds of millions of years to create is being wasted on… party balloons? There’s a natural resource found beneath Earth’s surface that’s been building up for hundreds of […]
Our Universe cannot be described by normal matter alone. Vera Rubin’s work led the way. Ask an astrophysicist what our Universe is made of, and you’ll likely receive a shocking surprise. […]