Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

NASA unveiled a new telescope on Tuesday to scan vast swaths of the universe for planets outside our solar system and probe ...

It was 1972 and Apollo astronauts Harrison “Jack” Schmitt and Eugene Cernan had just stepped onto the moon’s surface to begin collecting rock and soil samples. Related Articles US health officials nix ...

NASA unveiled a new telescope on Tuesday to scan vast swathes of the universe for planets outside our solar system and probe ...

In this video, we explore the 13.8 billion year history of our Universe, condensed into a single calendar year of 365 days.

From scorching planets to frozen giants, our solar system is full of extremes. Discover the forces that shaped these worlds ...

NASA has completed its next space observatory, built to create sharp, panoramic maps of the universe while revealing how the ...

The Nancy Grace Roman Space Telescope, named after NASA’s first chief astronomer, is now complete after more than a decade of development.

Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner solar system, they consider it likely that 6–40% of this material must have ...