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Space
We'll never be able to extract any information about what's inside a black hole's event horizon. Here's why a singularity is inevitable.
The strongest tests of curved space are only possible around the lowest-mass black holes of all. Their small event horizons are the key.
There's the textbook answer, then there's the real answer.
SpinLaunch will cleverly attempt to reach space with minimal rocket fuel. But will physics prevent a full-scale version from succeeding?
From astrobiology to geology, a Moon base could serve as a laboratory unlike anything on Earth.
It's rare that one single image packs so much beauty and science simultaneously. This Hubble view of a nearby star-forming region has both.
Supermassive black holes at the centers of galaxies gobble up whatever matter ventures too close, becoming active. Here's how they work.
The ESA's Gaia mission just broke the record for closest black hole by over 1,000 light-years. Is there an even closer one out there?
The largest hazardous asteroid found in the last 8 years showcases a little-known class of planet-killers. And we're woefully unprepared.
In 1995, Hubble peered at the Pillars of Creation, forever changing our view. Now in 2022, JWST completes the star-forming puzzle.
Our understanding always will remain incomplete.
The stars circle each other every 51 minutes, confirming a decades-old prediction.
The Universe gravitates so that normal matter and General Relativity alone can't explain it. Here's why dark matter beats modified gravity.
Unfortunately, the Lunar Ark project is an idea more at home in science fiction than science fact.
1.9 billion years ago, a star's explosive death created a black hole. Its light just arrived at Earth. But did it set a cosmic record?
Over the past 50 years, 27 leap seconds have been added to our time.
Uncertainty is inherent to our Universe.
It's the very closest stars to us that hold the key to unlocking the possibilities for life in star systems all throughout the Universe.
This technological feat changes our cosmic history.
The Big Bang is commonly misunderstood, warping our understanding about the Universe's size and shape.
The James Webb Space Telescope viewed Neptune, our Solar System's final planet, for the first time. Here's what we saw, and what it means.
When people pick the greatest scientist of all-time, Newton and Einstein always come up. Perhaps they should name Johannes Kepler, instead.
Recent research suggests that Earth’s magnetic field bounced back just as complex life was starting to emerge on our planet.
You would think that with all our technology, like the James Webb Space Telescope, we would know how big the Universe is. But we don't.
Black holes aren't just the densest masses in the Universe, but they also spin the fastest of all massive objects. Here's why it must be so.
On the morning of June 30, 1908, an explosion of more than 10 megatons occurred above the sparsely populated Siberian Taiga. What caused the so-called Tunguska event?
One book will gather all topics on the search for life in the Cosmos.