A mysterious radio signal from a distant planet has sparked excitement among astronomers, hinting at the tantalizing ...

Earliest inner solar system planetesimals shaped the inventory of moderately volatile elements in terrestrial planets.

The quasar that powers this jet formed within the first 1.2 billion years of the universe's existence, when it was only 9% of ...

As pandemic lockdowns forced humans into isolation, Earth's vegetation was thriving. The year 2020 was the greenest in modern ...

President Donald Trump’s purge of diversity initiatives has affected both federal agencies and the institutions they fund, ...

WASHINGTON (AP) — The world warmed to yet another monthly heat record in January, despite an abnormally chilly United States, ...

This week, NASA released the first image from the Europa Clipper spacecraft's voyage. The image is a mosaic of a star field, created from three shots the solar-powered orbiter captured in December of ...

Two astronauts -- one in space, and one on Earth -- will discuss daily life on the ISS, and chat participants can ask them ...

Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...

Exploring the transformation of Earth from a volcanic hellscape to a potential birthplace of life during the Hadean era. Insights from a University of California study suggest that early Earth had ...

New research reveals that Earth and Mars lost essential elements due to violent cosmic collisions, not early planetary formation processes ...

One leading theory on the origins of life on Earth proposes that simple chemical molecules gradually became more complex, ...