Astronomers have long speculated about an unseen planet lurking in the solar system's outer edge. This hypothetical world, ...

The president’s initial budget proposal for fiscal 2026 includes cuts of more than $6 billion to spending for NASA.

NASA analyzed 40 years of satellite data to discover mysterious ninth planet at the edge of our solar system, potentially ...

Many of the suggested cuts, which would require congressional approval, target federal programs that benefit the poor.

Despite the overall reduction, NASA human space exploration initiatives would receive a $647 million increase in the proposed ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

A Soviet-era spacecraft meant to land on Venus in the 1970s is expected to soon plunge uncontrolled back to Earth ...

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

Now, a new Musk project is on the brink of victory: an election Saturday to officially turn a small patch of coastal South ...

While the spring semester is winding down, the University of Wyoming Harry C. Vaughan Planetarium is amping up its offerings ...

The launch kicks off the first installment for Amazon’s Project Kuiper, a plan to create a massive constellation of internet-beaming satellites. The effort is poised to compete directly with Starlink, ...