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In the early stages of our Solar System, there were three life-friendly planets: Venus, Earth, and Mars. Only Earth thrived. Here’s why.

It’s not just fun: DNA origami has the potential to revolutionize engineering at the nanoscopic scale.

Capturing energy from clubbers could help power homes and buildings.

Stars orbiting black holes were observed to move significantly slower than expected. One explanation centers on dark matter.

With the right material at the right temperature and a magnetic track, physics really does allow perpetual motion without energy loss.

IceCube just found an active galaxy in the nearby Universe, 47 million light-years away, through its neutrino emissions: a cosmic first.

Photons come in every wavelength you can imagine. But one particular quantum transition makes light at precisely 21 cm, and it’s magical.

All the things that surround and compose us didn’t always exist. But describing their origin depends on what ‘nothing’ means.

Every power source involves trade-offs. Given the challenges of increasing demand and climate change, what is the future of energy?

How Stacy Madison — founder of Stacy’s Pita Chips and BeBOLD Foods — discovered that reinvention is not a one-off deal but an ongoing process.

Like Dua Lipa, he had to create new rules.

A cute mathematical trick can “rescale” the Universe so that it isn’t actually expanding. But can that “trick” survive all our cosmic tests?

A part of human nature needs to be challenged and feel strong. Today, we fulfill that need with “surrogate activities.”

Our greatest tool for exploring the world inside atoms and molecules, and specifically electron transitions, just won 2023’s Nobel Prize.

Perhaps the most remarkable fact about the Universe is simply that it, and everything in it, exists. But what’s the reason why?

Before we discovered gravitational waves, multi-messenger astronomy got its start with light and particles arriving from the same event.

The answer to this question is key to understanding why anything exists.

A “bio-battery” made from genetically engineered bacteria could store excess renewable energy and release it as needed.

Our cosmic home, planet Earth, has been through a lot over the past 4.5 billion years. Here are some of its most spectacular changes

Should you blast the A/C even when you’re not at home?

EV charging stations are the most widespread alternative to gas and diesel pumps. Each alternative has its own hotspots and “deserts.”

Gamma-ray bursts are so powerful they could vaporize the Earth from 200 light-years away. Recreating them in the lab is not easy.

Contrary to common experience, not everything needs a medium to travel through. Overcoming that assumption removes the need for an aether.

Nike athlete and famed Peloton instructor Tunde Oyeneyin shares how she turned her pain into purpose.

Carnivores, herbivores, omnivores — and now virivores.

Known as the Great Oxygenation Event, Earth froze over as oxygen accumulated in our atmosphere, nearly driving all life extinct.

Short-hop regional flights could be running on batteries in a few years.

Freethink’s weekly countdown of the biggest space news, featuring Starship’s second test flight, a new “dark mysteries” telescope, and more.

Before we formed stars, atoms, elements, or even got rid of our antimatter, the Big Bang made neutrinos. And we finally found them.

It has no moving parts and could allow us to tap into renewable energy year round.