When Anastasios Tzanidakis was sifting through some older telescope observations, he stumbled across something that should ...

All the essential ingredients to make the DNA and RNA underpinning life on Earth have been discovered in samples collected ...

Mercury, Venus, and Mars sit within the same general neighborhood as Earth, yet each has followed a radically different path.

A close-up of the surface of asteroid Ryugu. (MASCOT/DLR/JAXA) A new analysis of samples collected from asteroid Ryugu has yielded all five canonical nucleobases that make up RNA and DNA. It's not the ...

All the essential ingredients to make the DNA and RNA underpinning life on Earth have been discovered in samples collected from the asteroid Ryugu, scientists said Monday. Research in 2023 showed that ...

A new study reveals all five fundamental nucleobases – the molecular “letters” of life – have been detected in samples from ...

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

How would that effect life on our Earth?

Earth’s gravity has a lot to do with what people think is up and what is down. Things fall down toward the ground, but that direction depends on where you are.

That bright "star" in the west after sunset is Venus, often called the "Evening Star". It will shine brightly for most of the rest of 2026, peaking in August.

As four astronauts travel around the moon on NASA's Artemis II mission, they will venture beyond Earth's protective magnetic field. The crew's spacecraft, Orion, will carry and protect them as they ...

When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...