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 ...

"The planet gets in the way from the point of view of any one spacecraft, so we had to spread them around the planet to look ...

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

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 ...

Snapchat Planets ranks you in a friend’s top 8 using planets from Mercury to Neptune, showing your closeness based on chats, ...

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

Scientists studying the cosmos often speculate about hypothetical forces that might explain peculiar data or results. For instance, some astronomers have suggested that our solar system has an extra ...

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

Today: One minor Harry Potter character actually has two well-known star names: Regulus Arcturus Black, the brother of Sirius Black who is Harry Potter’s godfather.