A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

A breakthrough experiment, published in the Proceedings of the National Academy of Sciences, offers compelling support for the RNA world hypothesis, one of the leading theories on how life began on ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Tiny bits of Earth’s atmosphere have been drifting to the moon for billions of years, guided by Earth’s magnetic field.

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in ...

An international team of astronomers has uncovered multiple evolutionary paths for the universe's most massive galaxies. Observations of ultramassive galaxies, each containing more than 100 billion ...