A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

One of the most notable properties of the giant planets in our solar system—Jupiter, Saturn, Uranus and Neptune—are the ...

For all the talk about life across the cosmos, Earth remains the only confirmed example. That single data point makes your ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Solar installers set up an array on the roof of One Hope Community Church in Hunting Park. (Courtesy of Allen Drew) This story is part of the WHYY News Climate Desk, bringing you news and solutions ...

Astronomers have discovered 2017 OF21, a distant dwarf planet candidate located about 90 times farther from the Sun than Earth, making it more than twice as far as Pluto. With a highly elongated orbit ...

Hundreds of thousands of solar farms and solar energy projects have opened in New York over the past decade amid rising concerns about the state's "extremely uncertain" energy future, state data show.

California just launched a clever solar project that could innovate the way solar energy is harnessed — with other great benefits built in. Known as Project Nexus, as reported by Canary Media, the $20 ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A comet named 3I/ATLAS likely weighs more than 33 ...

The interstellar object dubbed 3I/ATLAS has been fascinating astronomers since its discovery in early July. The object, generally believed to be a comet, is screaming through the solar system at ...