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

Mercury is the month's highlight, reaching greatest elongation July 4. Also on show in the Southern Hemisphere: Mars, Saturn, ...

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

Mercury stands less than 3° from the Beehive Cluster in the evening sky, preparing to cross through the cluster’s outskirts ...

Start exploring the night sky with our top picks for beginner-friendly telescopes. Tested for clarity, ease of use and build ...

Through Sept. 14, Mercury is far enough away from the sun to be seen while it's still dark outside. Your best bet is to catch it between now and Sept. 10.

They’ve made a telescope with a far weirder component: liquid mercury. The International Liquid Mirror Telescope (ILMT) , situated atop a mountain in the Himalayas, has a spinning vat of liquid ...

This was Mercury's first transit of the sun since 2016, and it won't happen again until 2032. For viewers on the East Coast, the transit began shortly after 7:30 a.m. Mercury appeared closest to ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Mercury will pass across the face of the sun Monday (Nov. 11) in its first such "transit ...

Through Sept. 14, Mercury is far enough away from the sun to be seen while it's still dark outside. Your best bet is to catch it between now and Sept. 10. What's the best time to see Mercury?