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This research team is working out how to detect extraterrestrial cells in the liquid water ocean hidden beneath Enceladus’s icy crust.
See the 3 biggest space stories from October 16-22, 2023.
Following the advent of human space flight, NASA began naming missions after children of Zeus.
There are billions of potentially inhabited planets in the Milky Way alone. Here’s how NASA will at last discover and measure them.
“The physics of the universe doesn’t predict the emergence of biology.” Glasgow chemist Lee Cronin explains how inanimate matter becomes evolutionary:
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NASA was dangerously cavalier about the dangers of the shuttle launches.
Meanwhile meteorite hunters rushed to Berlin to find this most rare space rock.
This technological feat changes our cosmic history.
Well-preserved ancient plants and other finds at the Clarkia fossil beds hint at what kind of evidence any Martian life may have left behind.
The existence of another watery world in the outer solar system may offer clues to how such seas form — and hope for another spot to search for life.
It’s not about fairness. It’s about using every possible advantage.
Yes, NASA’s Perseverance rover found organics on Mars. So did Curiosity. Unfortunately, that doesn’t mean anything in the search for life.
There are 40 billion billion black holes in the universe. Here’s how our Solar System stacks up against ten of them.
Spaceguard shows that we can manage risks to the extinction of humanity — if only we put our mind to it.
Thanks to the Coriolis force, hurricanes never cross the equator.
Freethink’s weekly countdown of the biggest space news, featuring a stranded space factory, Jeff Bezos’ new moon lander, and more.
The DART mission tested whether it’s possible to deflect an asteroid by crashing something into it.
You can’t throw a DART at everything in space.
The costs of such an endeavor would be extremely high, while the potential payoffs would be uncertain.
In December 1968, human beings made their first-ever journey to the Moon aboard Apollo 8. Their most important discovery? Planet Earth.
Northern lights in the American South, clusters of huge geomagnetic storms—the Sun is throwing a tantrum right on schedule.
Voyager 2 flew past Uranus in 1986, finding a bland, featureless world. Now, in 2023, JWST’s sights are similar. There’s a reason for that.
Methane is a shorter-lived but more potent greenhouse gas than carbon dioxide. Cleaning it up could have a quick impact on global warming.
The surface of asteroid Bennu is more like a plastic ball pit than the Moon.
Across all wavelengths of light, the Sun is brighter than the Moon. Until we went to the highest energies and saw a gamma-ray surprise.
Physicists have increasingly begun to view life as information-processing “states of matter” that require special consideration.
Teller and Sagan debated fiercely over nuclear proliferation. But was the conflict as personal as it was intellectual for Teller?
Like Mars today, Venus used to be a sci-fi superstar. Recent discoveries could re-ignite our interest in Earth’s “evil twin.”
When the Hubble Space Telescope first launched in 1990, there was so much we didn’t know. Here’s how far we’ve come.