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Space
The idea of black holes has been around for over 200 years. Today, we're seeing them in previously unimaginable ways.
Data from NASA, ESA, and Roscosmos suggest that long durations in space cause changes in the brain, some of which are linked to vision problems.
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.
In Sun-like stars, hydrogen gets fused into helium. In the Big Bang, hydrogen fusion also makes helium. But they aren't close to the same.
Extremely precise atomic clocks are not just of theoretical interest; they could help detect impending volcanic eruptions or melting glaciers.
All life forms, anywhere in our Universe, are chemically connected yet completely unique.
It was supposed to have a 5.5-10 year lifetime, and take 6 months to calibrate. It's performing better than anyone anticipated.
Spin, spin, spin — fire! The startup’s radical system could make satellite launches cheaper and cleaner.
Dr. Tyson explains where we might find aliens, why "dark matter" is a misleading term, and why you can blame physics for your favorite team's loss.
Single objects rarely change the course of an entire scientific field. Distant object GNz7q, a galaxy-quasar hybrid, might do exactly that.
We should not expect aliens to look anything like us. Creatures that resemble octopuses or birds or even robots are legitimate possibilities.
We've fooled ourselves before with galaxies that look just like this one. The evidence we have simply isn't strong enough.
The idea of "absolute time" was our default for millennia. But time is relative, as gravity and motion both cause time to dilate.
To study the origin of the Universe, we could build a constellation of six expensive spacecraft — or we could just use the Moon.
For some reason, when we talk about the age of stars, galaxies, and the Universe, we use "years" to measure time. Can we do better?
From life on Earth to the planet itself, there are four ways our planet will actually experience "the end," no matter how we define it.
Even a tiny sliver of the Universe can reveal the cosmic story of what's out there and how it came to be the way it is today.
Spotty connectivity isn’t going to jeopardize Ukraine’s drone attacks.
In 1990, we only knew of the planets in our own Solar System. Today, the exoplanet count is more than 5000. Here's what we've learned.
Knowing that technology would advance in the future, NASA put some moon rock samples into storage without opening them. Now, they have.
The laws of physics state that you can't create or destroy matter without also creating or destroying an equal amount of antimatter. So how are we here?
To understand the edges of our universe, we’ll need to explore the edges of our own philosophies.
John Templeton Foundation
In the night sky for March of 2022, only stars and the Moon, not planets, will greet you. The real show, however, arrives just before dawn.
If dark matter exists in a large halo in our galaxy, made up of particles, then it's passing through us constantly. But how much?
There's a limit to how large planets can be, and it's only about double the radius of Jupiter. At least, so far.
The Kardashev scale ranks civilizations from Type 1 to Type 3 based on energy harvesting.
A study proposes that an ancient trading network, called the Hopewell tradition, may have been wiped out by what is known as a cosmic airburst.
With 1550 distinct type Ia supernovae measured across ~10 billion years of cosmic time, the Pantheon+ data set reveals our Universe.
In general, 5G is not a threat to human health or activities, but there are some legitimate questions about interference with airplane instruments.
Please stop calling our Sun an "average star." It is philosophically dubious and astronomically incorrect.