Understanding where Earth's essential elements came from—and why some are missing—has long puzzled scientists. Now, a new ...

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...

The ESA’s Gaia mission mapped the positions and velocities of stars with extreme precision by measuring about one billion ...

Earth received water toward the final stages of its formation. This reshapes understanding of the conditions needed for life.

Water, one of the essential ingredients for life on Earth, did not appear on the planet until after the moon-forming event, a new study claims ...

Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...

An instrument created by a team at the University of New Hampshire was recently installed onto a spacecraft that is preparing ...

The finding, reported in the science journal Geochimica et Cosmochimica Acta, is significant because the data reported by the ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these ...

What astronomers call a “parade of planets” will be visible in the early evening sky all month. Mark Pitts is an assistant ...