The head of the U.S. Postal Service, Louis DeJoy, says he intends to step down. In a Monday letter, Postmaster General DeJoy ...

By looking ever further back in time, the James Webb Space Telescope is at last revealing the first galaxies – and a very ...

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's ...

A federal judge has scheduled a Wednesday hearing in the prosecution of New York City Mayor Eric Adams, ordering lawyers to ...

But the mission will also bring something that’s never been installed on the moon or anywhere else in space before—a fully ...

North Korea is building its missile capabilities to strike the US mainland, threatening to overwhelm US defenses and ...

At the very beginning of its history, Earth was dry. How did it become a blue planet? A new theory could provide an answer.

The “Iron Dome for America” proposal creates an enormous chance to think differently while the United States adapts its culture and processes to the strategic landscape it faces today.

While radio jets are relatively common in the nearby Universe, they have been elusive in the early Universe. This is partly ...

The US Army tested two Precision Strike Missiles from HIMARS, destroying a surrogate SCUD missile, radar installations, and ...