If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Astronomers have long speculated about an unseen planet lurking in the solar system's outer edge. This hypothetical world, dubbed Planet Nine, could explain the unusual clustering ...

For years, astronomers have toyed with the idea that the Sun hides an extra planet so distant and dim that even the best telescopes have missed it. Now, a new study digs into decades-old infrared maps ...

The mystery of how planets and icy objects formed in the farthest reaches of our solar system just took an exciting turn. A ...

The first 27 satellites for Amazon's Kuiper broadband internet constellation were launched into space from Florida on Monday, ...

A United Launch Alliance (ULA) Atlas V rocket lifted off from Florida's Cape Canaveral Space Force Station today (April 28) ...

Amazon is preparing to launch its debut batch of satellites into orbit as it seeks to establish its own internet service for customers worldwide.

An Atlas 5 lifts off April 28 carrying the first operational Project Kuiper satellites. Credit: Brandon Lindner WASHINGTON — An Atlas 5 successfully launched April 28 the long-delayed first set ...

United Launch Alliance’s Atlas V rocket sends Amazon’s Project Kuiper satellites into space. (ULA Photo) A powerful rocket sent the first batch of 27 satellites for Amazon’s Project Kuiper ...

Amazon has finally launched its first batch of Project Kuiper internet satellites on top of a United Launch Alliance Atlas V rocket. The company was supposed to send the first 27 satellites in the ...