It’s a radical but plausible idea.
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NASA will use energy from Earth’s gravity to launch the Lucy spacecraft in October of this year.
Only nine weeks later, the Wright Brothers achieved manned flight. The pathologically cynical always will find a reason to complain.
Finding out we’re not alone in the Universe would fundamentally change everything. Here’s how we could do it.
Even though no human has stepped foot on the Moon’s surface in 50 years, the evidence of our presence there remains unambiguous.
A next-generation instrument on a delayed rover may be the key to answering the question of life on Mars.
“You develop an instant global consciousness, a people orientation, an intense dissatisfaction with the state of the world, and a compulsion to do something about it.”
Despite being the closest planet to the Sun, Mercury “only” reaches 800 °F at its hottest. Venus is always hotter, even at night.
Asteroid Bennu is still far more likely to fly right by us than to make impact.
Binary black holes eventually inspiral and merge. That’s why the OJ 287 system is destined for the most energetic event in history.
Retired astronaut Ron Garan believes that before we can begin solving our problems, we must understand our interrelatedness through the “orbital perspective.”
The Solar System isn’t a vortex, but rather the sum of all our great cosmic motions. Here’s how we move through space.
With a new telescope on the horizon, we reflect on the best pictures of space that came before.
Just 12 million light-years away, the galaxies Messier 81 and 82 offer a nearby preview of the Milky Way-Andromeda merger.
Move over, IC 1101. You may be impressively large, but you never stood a chance against the largest known galaxy: Alcyoneus.
An incredible composite image of Pandora’s Cluster, Abell 2744, simultaneously showcases both our impressive knowledge and vast ignorance.
A history of othering, experimentation, and mystery.
Big dreams and big telescopes are back at last, but everything depends on sufficiently funding NASA, the NSF, and the DOE.
Multiple lines of evidence — physical, chemical, and biological — must converge for scientists to conclude that alien life has been found.
Without modularization, many epic projects simply would be impossible.
The European Space Agency’s Solar Orbiter recently captured images that could help scientists better under the mysterious physics of our Sun.
Previously, only the brightest and most active galaxies could pierce the obscuring wall of cosmic dust. At last, normal galaxies break through.
It could analyze a photo of the Martian surface in just five seconds. NASA scientists need 40 minutes.
Google co-founder Sergey Brin’s airship startup hits a major milestone.
It could cut the time needed to reach Mars in half.
Since 1962, humanity has been sending messages into space with the intent to make contact with intelligent extraterrestrials. Are those efforts worth the risks?
We haven’t seen a partial eclipse lasting this long since 1440, and won’t again until 2669. North America is perfectly positioned for 2021’s.
But it’s still challenging to build a 22,000-mile elevator.
Scientists may have detected the somewhat smelly chemical dimethyl sulfide on a planet 120 light-years from Earth.
Freethink’s weekly countdown of the biggest space news, featuring Starship’s second test flight, a new “dark mysteries” telescope, and more.