Summer nights offer lots of interesting sights this month. Mercury and Mars are on show in the evening twilight. Both Uranus ...

Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...

What's happening in the skies over North Texas this month? July holds some spectacular sights in the night and morning sky.

Skywatchers in central Wisconsin can expect a stunning week ahead, with planetary pairings, moon phases and celestial ...

Researchers now appreciate that gas planets are more complex than first thought. New findings have implications for our ...

Venus, Mars and more: ... Mercury will be visible in mornings from Jan. 1 to Jan. 15; ... It will be closest to Earth on Jan. 12 at 8:37 a.m. Eastern Time at a distance of 59.7 million miles ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...

The brilliant flash, which was accompanied by a sonic boom that many mistook for an earthquake, resulted in hundreds of calls ...

Saturn, Mercury, Neptune, Venus, Uranus, Jupiter and Mars are visible in the night sky right now. On Feb. 28, Mercury will join them, adding a seventh planet to the planetary parade.

Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so ...