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Venus has far more carbon dioxide in its atmosphere than Earth, which turned our sister planet into an inferno. But how did it get there?

Did the Milky Way form by slowly accreting matter or by devouring its neighboring galaxies? At last, we’re uncovering our own history.

A longstanding mismatch between theory and experiment motivated an exquisite muon measurement. At last, a theoretical solution has arrived.

While we can see many solar storms coming, some are “stealthy.” A new study shows how to detect them.

Every star we can see, including our sun, was born in one of these violent clouds.

The majority of the matter in our Universe isn’t made of any of the particles in the Standard Model. Could the axion save the day?

We know of stellar mass and supermassive black holes, but intermediate mass ones have long proved elusive. Until now.

One book will gather all topics on the search for life in the Cosmos.

Life arose on Earth very early on. After a few billion years, here we are: intelligent and technologically advanced. Where’s everyone else?

When stars form, they emit energetic radiation that boils gas away. But it can’t stop gravitational collapse from making even newer stars.

Spaceguard shows that we can manage risks to the extinction of humanity — if only we put our mind to it.

NASA’s space telescopes and observatories bring humanity unrivaled science images and scientific discoveries. Here’s what should be next.

This storm rained electrons, shifted energy from the sun’s rays to the magnetosphere, and went unnoticed for a long time.

In all of science, no figures have changed the world more than Einstein and Newton. Will anyone ever be as revolutionary again?

Einstein’s “happiest thought” led to General Relativity’s formulation. Would a different profound insight have led us forever astray?

We frequently say it’s 2.725 K: from the light left over all the way from the Big Bang. But that’s not all that’s in the Universe.

The Universe is an amazing place. Under the incredible, infrared gaze of JWST, it’s coming into focus better than ever before.

In all the known Universe, Earth is the only planet known to have native life. What should guide us in expanding humanity beyond our world?

In 1957, humanity launched our first satellite; today’s number is nearly 10,000, with 500,000+ more planned. Space is no longer pristine.

Ultracold gases in the lab could help scientists better understand the universe.

The power tower has superior physics but inferior economics.

Psychologists are finding that moral code violations can leave an enduring mark — and may require new types of therapy.

Scientific surprises, driven by experiment, are often how science advances. But more often than not, they’re just bad science.

So far, gravitational waves have revealed stellar mass black holes and neutron stars, plus a cosmic background. So much more is coming.

Watch the plasma slide down the prominence like a roller coaster! Our Sun, despite it’s outward appearance as a perfectly hot sphere, is anything but uniform. When take a closer look […]

China has reached a new record for nuclear fusion at 120 million degrees Celsius.

2023 will see the launch of new rockets, the return of OSIRIS-REx, and a mission to Jupiter that could help us find extraterrestrial life.

Try this: It’s about 10 times the number of cups of water in all the oceans of Earth.

In 2017, we detected gold being forged in a neutron star-neutron star merger. Now, in 2024, the amounts created simply don’t add up.

The Universe gravitates so that normal matter and General Relativity alone can’t explain it. Here’s why dark matter beats modified gravity.