There are 40 billion billion black holes in the universe. Here’s how our Solar System stacks up against ten of them.
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You can't throw a DART at everything in space.
Meanwhile meteorite hunters rushed to Berlin to find this most rare space rock.
The surface of asteroid Bennu is more like a plastic ball pit than the Moon.
When the Hubble Space Telescope first launched in 1990, there was so much we didn't know. Here's how far we've come.
Methane is a shorter-lived but more potent greenhouse gas than carbon dioxide. Cleaning it up could have a quick impact on global warming.
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.
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.
Freethink's weekly countdown of the biggest space news, featuring a stranded space factory, Jeff Bezos' new moon lander, and more.
60% of all potentially dangerous asteroids remain undetected.
After decades of development, whether NASA's Webb succeeds or fails all comes down to five critical milestones that are only days away.
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.
If your computer crashes, it might be due to a star that exploded somewhere in the Universe millions of years ago.
2023 will see the launch of new rockets, the return of OSIRIS-REx, and a mission to Jupiter that could help us find extraterrestrial life.
On July 12, 2022, NASA will release the first science images taken with the James Webb Space Telescope. Here's what to hope for.
For many, it was just a successful launch like any other. But for scientists around the globe, it was a victory few dared to imagine.
Like Mars today, Venus used to be a sci-fi superstar. Recent discoveries could re-ignite our interest in Earth’s “evil twin.”
Ever since the Big Bang, cataclysmic events have released enormous amounts of energy. Here's the greatest one ever witnessed.
How can you "touch the Sun" if you've always been inside the solar corona, yet will never reach the Sun's photosphere?
Until recently, we were only able to view Venus's surface with radar or by landing on the planet. It was believed that Venus's surface was entirely obscured by clouds; NASA's Parker Solar Probe proved otherwise.
Knowing that technology would advance in the future, NASA put some moon rock samples into storage without opening them. Now, they have.
Experts believe they could cut the time it takes a rocket to reach Mars by up to 25%, shaving about two months off the trip.
An effect called the "urban heat island" means that temperatures are often 10 degrees higher in cities, according to NASA.
NASA is creating a planet habitability index, and Earth may not be at the top. With our current data, ranking habitability is guesswork.
The largest hazardous asteroid found in the last 8 years showcases a little-known class of planet-killers. And we're woefully unprepared.
Spin, spin, spin — fire! The startup’s radical system could make satellite launches cheaper and cleaner.
Teller and Sagan debated fiercely over nuclear proliferation. But was the conflict as personal as it was intellectual for Teller?
With its first view of a protoplanetary disk around a newly forming star, the JWST reveals how alone individual stellar systems truly are.
We may have discovered alien life already but rejected the evidence too quickly because it seemed false at first glance.
With launch, deployment, calibration, and science operations about to commence, here are 10 facts that are absolutely true.