While Mercury is often referred to as the most difficult planet to see with the naked eye because of how close it is to the sun, that won't be the case this month. According to the National ...

Meet the author: Dr. Phil Plait is an astronomer, author, and science communicator with a PhD in astronomy at the University ...

On the flyby, the spacecraft passed within just 180 miles of Mercury’s surface ... space and away from the sun, then over its ...

Four planets in the solar system are about to appear in alignment in the night sky. Here's how stargazers will be able to see ...

The best opportunity to potentially see all seven planets is coming up on Feb. 28 around 6:10 p.m. ET, according to Shanahan.

Although its mean distance from the Sun is only 36 million miles (58 ... out that they were both one and the same. Want to ...

Turns out, it's as tough to drop inward into the inner solar system, as it is to head outward. The problem stems from losing ...

The BepiColombo spacecraft has captured stunning new photos of Mercury's alien surface, from its icy craters to its sun-baked ...

you may see a rare conjunction between Venus and Mercury — the two planets interior to Earth in the solar system — before they fully disappear in the sun's glare over the following nights.