This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

The confirmed discovery of exoplanets revolutionized our understanding of the universe. Among the thousands of confirmed exoplanets, HD 20794 d in particular, recently attracted attention for a unique ...

A NASA mission, IMAP, will investigate and map the sun's particles and energy across the entire heliosphere, using a ...

The amount of water stored on lands across Earth’s continents has declined at such staggering levels that changes are likely irreversible while humans are alive, a study published Thursday found.

Soil moisture has declined more than 2,600 gigatonnes since 2000, making a greater contribution to sea level rise than Greenland's melting ice sheets.

New research sheds light on the earliest days of the earth's formation and potentially calls into question some earlier assumptions in planetary science about the early years of rocky planets.

Around 14,500 years ago, toward the end of the last ice age, melting continental ice sheets drove a sudden and cataclysmic ...

Using data from nearly 15 million galaxies and quasars, the Dark Energy Spectroscopic Instrument (DESI) has created the most detailed 3D map of the universe ever made. A new analysis combining DESI’s ...

Dramatic theories have been proposed to explain the mysterious interiors of Uranus and Neptune, the ice giants of our solar ...

Cosmologists are using cutting-edge computational tools to uncover the secrets of dark matter and dark energy, which together ...