ROME (AP) — President Donald Trump will be among more than 50 heads of state and other dignitaries attending Saturday’s ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why Pluto isn't a planet.

A new study released on Thursday describes a search for what are called "microlensing" events, where a planet acts as a ...

Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

How core-mantle differentiation influenced the distribution of volatile elements on Earth. Imagine Earth's history as a ...

Milan’s first Earth Day Fair is also happening this weekend. The family-friendly fair will take place from 11 a.m. to 4 p.m.

Like the Star Wars planet, a distant world follows a path around two stars, both of them small, cool bodies called brown ...

The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies ...

Tech expert Kurt “CyberGuy" Knutsson says 329,000 mph fusion rocket promises to be fast, disruptive and enable deep-space ...

The reports circulating on social media indicate that at around 5:30 a.m. on Friday, Venus, Saturn and the moon will align ...