The moon looks enormous when it's near the horizon — why is that?

The saga to preserve my scientific integrity against deception by artificial intelligence (AI) started two months ago and was described…

Something like this would seem unimaginable for our Homo sapiens species.

"It is exciting to think that Little Red Dots may represent the first direct observational evidence of the birth of the most massive black holes in the universe."

This desolate spot has been the final resting place for hundreds of decommissioned satellites and space stations over the last few decades.

A molecule produced by cancer cells can shield the brain from Alzheimer’s disease in mice.

Published in the peer-reviewed The Astrophysical Journal, the research focuses on tidally locked planets, worlds that always show the same face to their star.

Turns out God was hanging out in space all along.

A NASA astronaut has revealed a tantalizing clue about what went down during the first medical evacuation in the space station's history.

A massive flare began with a quiet twist, then erupted in cascading bursts scientists didn’t see coming.

"Until now, it was unknown what type of star would remain after the merger."

3I/ATLAS is the third interstellar visitor ever to visit the solar system having been formed around a distant star.

As orbits become more crowded and littered with debris, the US operator is having to move its devices to dodge damage.

There’s little about building spacecraft that anyone would call simple. But there’s at least one element of designing a vehicle that will operate outside the Earth’s atmosphere th…

A 66 million-year-old mystery behind how our planet transformed from a tropical greenhouse to the ice-capped world of today has been unraveled by scientists. Their new study has revealed that Earth's massive drop in temperature after the dinosaurs went extinc…

A star 13 times the mass of the Sun just vanished. Here's what could be hiding in its place.

And then do a quick review the next morning.

"In our solar system, the most massive moon is Ganymede, which is still extremely small compared to what we are inferring here."

Once these were the largest and most dominant living things on land, but their greatness did not ensure survival.

A chemical infamous for its toxicity may have played a surprising role in launching life on Earth.

Sweeping winds of vaporized metals have been found in a massive cloud that dimmed the light of a star for nearly nine months. This discovery, made with the Gemini South telescope in Chile, one half of the International Gemini Observatory, offers a rare glimps…

It may be one of the most iconic sights in the night sky, but astronomers have never seen the Helix Nebula like this before.

Oregon State University researchers have painted a clearer picture of the coastal marten, a secretive, ferret-sized forest carnivore renowned for its cuteness but nearly driven to extinction by human activity in the 20th century.

A new analysis suggests modern satellite networks could suffer catastrophic collisions within days of losing control during a major solar storm. The phrase “House of Cards” is often associated today with a Netflix political drama, but its original meaning ref…

Neurons in the bird eye’s inner retina lack a blood supply. Finding how these neurons function without oxygen reveals a role for an enigmatic eye structure.