For decades, something strange has lurked inside the icy giants of our solar system. Uranus and Neptune, distant blue worlds ...

However, even that mission is still in the development phase, with a green light far from a sure thing. Nonetheless, the implications of this find extend far beyond our own solar system.

A pair of extraordinary space missions that have been headed out of the solar system for almost half a century are getting a ...

On May 2, 2011, teams of U.S. Navy SEALs landed in and around a compound in Abbottabad, deep inside Pakistan. Their mission that morning was to capture or kill the world's most wanted terrorist, Osama ...

NASA uses plutonium-238 forged during the Cold War to power its most ambitious missions. NASA is running low on the material, but the Department of Energy is making more. However, a government ...

Using data from NASA's Cassini mission, ... Why Uranus and Neptune Are Different Colors May 31, 2022 — Astronomers may now understand why the similar planets Uranus and Neptune are different colors.

Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could all be visible with clear skies, but not all can be seen by the ...

NASA is switching off two science instruments on its long-running twin Voyager spacecraft to save power. The space agency ...

Feb. 2, 2024 — Astronomers have shown new atmospheric detail in a set of 15 exoplanets similar to Neptune. While none could support humanity, a better understanding of their behavior might help ...