Researchers now appreciate that gas planets are more complex than first thought. New findings have implications for our ...

Our terrestrial planets—Mercury, Venus, Earth and Mars—formed as smaller rocky objects accumulated, or accreted, into larger planetesimals and eventually protoplanets, when late impacts made ...

SAN ANTONIO — June 18, 2025 — Southwest Research Institute collaborated with Yale University to summarize the scientific community’s notable progress advancing the understanding of the ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

How the pioneering scientist, and namesake of an enormous new telescope, forced astronomers to rethink the universe.

Astronomer Vera Rubin, now honored on a U.S. quarter, transformed our understanding of the universe by uncovering powerful ...

Inner planets are the four planets closest to the Sun: Mercury, Venus, Earth and Mars. They are collectively characterized by a solid surface and small size relative to the outer gas giants.

Roughly 35 million years ago, a massive asteroid slammed into the Atlantic Ocean near what’s now the East Coast. The impact ...

Scientists estimate that the first generation of reptiles evolved between 320 and 310 million years ago, this group was later dominated by dinosaurs which paleontologists say they evolved on Earth ...

Using space lasers and AI, scientists can now measure forest carbon with greater speed and precision—transforming global climate monitoring and forest management.

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...