The final planetary parade of 2025 is happening this month. Here's why you'll need an alarm clock to catch these planets in ...

In their report, Lal and Myers estimate it would cost about $800 million annually for five years to build and deploy a ...

Boy, how the world has changed over the past 10 years, but perhaps not as profoundly as our understanding of another, more ...

New research has uncovered compelling evidence that water from a comet is strikingly similar to that found in Earth's oceans, ...

David Jewitt at the University of California, Los Angeles, and his colleagues studied images from ground-based and ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her ...

Pluto, once considered the ninth planet, remains one of the most mysterious objects in our solar system. Its icy surface and ...

The James Webb Space Telescope have found evidence of massive planets capable of forming their own planetary systems — ...

New data from the James Webb telescope reveals that Pluto's strange atmospheric haze controls its climate, surprising ...

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another ...

In 1979, scientists found the F-ring, which until then was an entire previously unknown ring of Saturn. Thanks to the Voyager ...