More than a half-century later, a new documentary is calling into question who took it — and the retired Associated Press ...

As he assumes the presidency for a second time, Donald Trump brings with him a broad expanse of business relationships and ...

The runway is likely built by the United Arab Emirates, which has long been suspected of expanding its military presence in ...

In January, stargazers will be able to see four bright planets, the close dance of Venus and Saturn, Mars at opposition, and ...

This NASA Hubble Space Telescope image shows the planet Jupiter in a color composite of ultraviolet wavelengths. Released on ...

Some industry observers told ABC News that the ostensible softening toward Trump by big-tech corporations reflects a new ...

The joint European-Japanese mission is only the second survey of Mercury, the least explored planet in the inner solar system ...

Some space conspiracy theories just won't go away.

Six planets grace the sky this month in what’s called a planetary parade. Venus, Mars, Jupiter and Saturn are visible to the naked eye in January and for part of February.

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

These are the planets that will be visible with the naked eye. A rare parade of planets will light up the night sky ...

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...