Astronomers in 2017 caught an image of a supermassive black hole in a galaxy far, far away. Doing it in our own galaxy is a huge milestone.
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Because of dark energy, distant objects speed away from us faster and faster as time goes on. How long before every galaxy is out of reach?
Think twice before stepping on that crunchy top layer of soil.
The big question isn’t whether the Universe is expanding at 67 or 73 km/s/Mpc. It’s why different methods yield such different answers.
Forty Starlink satellites were destroyed earlier this year in a geomagnetic storm.
If you want to understand what the Universe is, how it began, evolved, and will eventually end, astrophysics is the only way to go.
Einstein’s theory of general relativity introduced the concept of space having a shape. So, what is the shape of space?
2022 was another busy year in the realm of science, with groundbreaking stories spanning space, materials, medicine, and technology.
Gamma-ray bursts are so powerful they could vaporize the Earth from 200 light-years away. Recreating them in the lab is not easy.
Atomic nuclei form in minutes. Atoms form in hundreds of thousands of years. But the “dark ages” rule thereafter, until stars finally form.
A true scientific view of if, where, and when extraterrestrial life exists is within our grasp thanks to biosignatures and technosignatures.
It’s an agricultural moonshot: Scientists hope to increase plant yields by hacking photosynthesis, the process that powers life on Earth.
Is mathematics woven into the very fabric of reality? Or is it merely a product of the human mind?
It is generally ineffective, occasionally poisonous, and driving numerous species to the brink of extinction.
Acting “little and often” has huge consequences and they’re not always good — but awareness yields solutions.
From a photon’s viewpoint, the Universe is timeless and dimensionless.
It started with a bang, but won’t end with one. Instead, it will “rage against the dying of the light” like nothing you’ve ever imagined.
Great tidal ranges are relatively rare on a global scale — and can be very deadly to the unsuspecting foreshore walker.
Over the past 50 years, 27 leap seconds have been added to our time.
The LHC has a long, productive life ahead of it. An upgraded version, called the “High Luminosity LHC,” will be available in 2028.
For linguists, the uniqueness of the Basque language represents an unsolved mystery. For its native speakers, long oppressed, it is a source of pride.
If you have an old TV set with the “rabbit ear” antennae, and you set it to channel 03, that snowy static can reveal the Big Bang itself.
The most celebrated genius in human history didn’t just revolutionize physics, but taught many valuable lessons about living a better life.
In the infant Universe, particle physics reigned supreme.
Today, our observable Universe extends for 46 billion light-years in all directions. But early on in our history, things were much smaller.
The recently discovered Oort cloud comet, Bernardinelli–Bernstein, has the largest known nucleus: 119 km. Here’s what it could do to Earth.
High-frequency oscillations that ripple through our brains may generate memory and conscious experience.
We knew we’d find galaxies unlike any seen before in its first deep-field image. But the other images hold secrets even more profound.
Particle physicists use gigantic accelerators to investigate the infinitesimal.