If you want to understand what the Universe is, how it began, evolved, and will eventually end, astrophysics is the only way to go.
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With a new telescope on the horizon, we reflect on the best pictures of space that came before.
Do you think you know the Solar System? Here's a fact about each planet that might surprise you when you see it!
The TRAPPIST-1 system is a treasure trove of possibilities and questions. Observations by JWST have just begun.
Total eclipses are a product of a strange and almost eerie cosmic coincidence — one that makes Earth an even rarer world in the galaxy and, by proxy, in the Universe.
Much like computing technology, the Great Red Spot has been getting smaller and faster over the last few years.
Multiple lines of evidence — physical, chemical, and biological — must converge for scientists to conclude that alien life has been found.
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.
The best answer we have is, "Life is matter with intentionality."
The space telescope's findings challenge the notion of a galaxy brimming with life.
Human beings are tiny creatures compared to the 92 billion light-year wide observable Universe. How can we comprehend such large scales?
Infrared, visible, and ultraviolet combine to show us Jupiter’s features as never before. The largest planet in our Solar System, Jupiter, is our own ‘failed star.’ The best evidence-based classification scheme […]
At 35 light-years away, it’s also the 2nd coolest, 2nd widest planet ever found. Despite discovering more than 4000 exoplanets, most remain obscure. Although more than 4,000 confirmed exoplanets are known, […]
Water is vital for life. Luckily for spacefaring humans, the solar system is full of it.
A conversation with an advanced alien species is likely to be simple and to take 1,000 years. It might also be dangerous.
On Earth, carbon can form millions of compounds, while silicon is largely stuck inside rocks. But elsewhere, silicon could form the basis of life.
We are traveling in a realm that once exclusively belonged to the gods. Space travel will force humanity to rethink everything.
The largest moon in our Solar System, often overlooked, is a water-rich world. Does that mean life? Here on Earth, life took hold very early on in our planet’s history, and […]
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.
Based on the atoms that they're made out of, the innermost planet should always be the densest. Here's why Earth beats Mercury, hands down.
Google maps won’t guide you to Mars - but will your compass work in space?
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Unless you have a critical mass of heavy elements when your star first forms, planets, including rocky ones, are practically impossible.
Astronomers have discovered more than 5,000 confirmed exoplanets — very few of which resemble Earth.
Long before the birth of Julius Caesar, the Roman Republic appointed all-powerful dictators to protect their state in times of crisis. They were remarkably self-restrained and obedient to the Roman Constitution.
Some fascinating observations of K2-18b have come along with horrendous, speculative communications. There's no evidence for oceans or life.
Before Constantine received his history-defining vision, a pagan Sun god paved the way for Jesus Christ’s triumphal entry into the Eternal City.
Neptune holds records in our Solar System, but the Universe gets even faster. Here on Earth, extreme weather events can cause dramatic wind speed spikes. When hurricanes are at their most […]
Speculation about the existence of aliens goes all the way back at least to the Greek philosophers. Their arguments will sound familiar.
For thousands of years, humanity had no idea how far away the stars were. In the 1600s, Newton, Huygens, and Hooke all claimed to get there.
In 1924, Edwin Hubble found proof that the Milky Way isn't the only galaxy in the Universe.