The gravity paradox
💥 Gravity doesn’t disappear when you leave Earth’s surface.
Starts With A Bang
Explore the cosmos with astrophysicist and author Dr. Ethan Siegel! From the origin of everything to the fate of the universe, Ethan and Big Think are here to answer your biggest questions.
Live Last read · last published · next check
Latest posts
The strongest experimental hint that gravity is quantum in nature
At a fundamental level, nobody knows whether gravity is truly quantum in nature. A novel experiment strongly hints that it is.
Tinkering with science's future
💥 Bohr, Pasteur, and Edison showed us the way once. Can they do it again?
Which 10 atmospheres are the Solar System’s thickest?
Obviously, the gas giants all top this list. But the fall-off is rapid after that, and the final two spots in the top 10 are truly shocking.
The first stargazers
💥 If life emerged early enough, what would it have seen in the night sky?
The 20 biggest cosmic discoveries of the last 20 decades
200 years ago, we hardly knew anything about our Universe on cosmic scales. Today, there's so much that we know. Here's how we arrived.
The sweetest discovery
💥 Sugar found in space could help explain life's earliest beginnings.
A cosmic first: separated sibling stars reunited by supernovae
We've never witnessed a system of binary stars both go supernova before. A once-hidden source of gamma rays just revealed the first one.
The missing 99%
💥 Nearly all of a supernova's energy vanishes into invisible particles.
The big reason Einstein would never have used AI
Many think that intelligence can be outsourced to AI. Einstein wouldn't have used it. If he had, he never would have become Einstein.