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The surface and atmosphere is colored by ferric oxides. Beneath a very thin layer, mere millimeters deep in places, it’s not red anymore.

In 1054, a core-collapse supernova occurred 6500 light-years away. In 2023, JWST imaged the remnant, and might solve a massive mystery.

There’s a quantum limit to how precisely anything can be measured. By squeezing light, LIGO has now surpassed all previous limitations.

The conservation of energy is one of the most fundamental laws governing our reality. But in the expanding Universe, that’s just not true.

Almost everything we can observe and measure follows what’s known as a normal distribution, or a Bell curve. There’s a profound reason why.

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

In special relativity, the statement that two events happened at the same time is meaningless.

Over 50 years since humans last walked on the Moon, astronaut footprints and rover tracks are still visible. But they won’t last forever.

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

Dark matter was thought to be cold and collisionless. But maybe that’s not the full story. If you look out at the Universe and measure all the matter out there, including […]

The way to understand the earliest moments of creation is to recreate those conditions and study them. Why would we stop now?

The catastrophic birth defect anencephaly affects about 1 in 4,600 pregnancies in the U.S. It is largely preventable with folic acid supplements.

Just 13.8 billion years after the hot Big Bang, we can see 46.1 billion light-years away in all directions. Doesn’t that violate…something?

A report from MIT outlines a six-point plan to usher in a new age of nuclear power.

Beautiful people really know how to catch a break.

“You gotta know when to fold ’em.”

The pattern 1, 1, 2, 3, 5, 8, 13, etc., is the Fibonacci sequence. It shows up all over nature. But what’s the full explanation behind it?

Here are its top priorities.

What can elite athletes teach you about how to win?

And what if both parties are skilled at mirroring each other? Will it produce a stalemate?

For people with hard-to-treat depression, a non-invasive technique called transcranial magnetic stimulation (TMS) can provide relief.

Easily distracted? Try a “distractibility delay.”

Bears, chimps, or humans? A track of five poorly preserved footsteps at Laetoli has puzzled paleontologists for decades. Now, a research paper from Nature claims to have solved the mystery.

Scott Dikkers discusses comedy, the creative process, and life lessons learned playing peekaboo.

Unplugging only ignores the hard work of overcoming your distractions.

For some reason, the charges on the electron and proton are equal and opposite, and their numbers are equal, too. But why?

Forget about the terawatt lasers we’re making on Earth. This natural one is thousands of times more powerful than the Sun.

They are expected to be cheaper to build and even more reliable than today’s nuclear plants.

A 12-year study shows that these large lemurs have a sophisticated sense of rhythm.

Neutrons can be stable when bound into an atomic nucleus, but free neutrons decay away in mere minutes. So how are neutron stars stable?