With an equatorial diameter of 7926 miles (12,760 kilometers), our planet Earth is the biggest of the terrestrial planets and ...

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

At the very beginning of its history, Earth was dry. How did it become a blue planet? A new theory could provide an answer.

Astrophysicists have long theorized that there should be planets out there that are, in size, somewhere between Earth and ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

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

An ambitious, multinational research project co-led by the University at Buffalo has demonstrated that Earth's biodiversity ...

Lauren is getting an exceptional opportunity to pursue her growth as a motivated and promising scientist,” Nachon said. “She’s reaching for the stars and planets!” ...

Throughout February, these six planets may be seen across the sky at night, as they were in January. But, later in the month, you have the chance to see the planets joined by Mercury, creating an ...

But there were marked differences in how marine and terrestrial ecosystems were composed ... If life can exist so far beneath our planet's surface, perhaps it's possible further afield: as Ruff says, ...

From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus, and Neptune. The alignment peaks on January 25 and Mercury joins the ...

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