On November 14, 1963, crew aboard a trawler sailing near Iceland spotted a column of smoke rising from the sea surface. A new island, Surtsey, was being born.
Mass and energy are interchangeable.
In China and other Asian countries, it’s sometimes called the Moon Festival in honor of the upcoming full moon.
American astronomer Asaph Hall discovered Phobos, 1 of the 2 known Martian moons, on this date in 1877.
What do you mean by noon? Do you define it by your clock or wristwatch? Or the gnawing in your stomach? Here’s how astronomers think about noontime.
The streaks in the photos are sun-trails – that is, they’re the sun moving in its shifting path across our sky from day to day over a 6-month period.
Cloud streets are long rows of cumulus clouds oriented parallel to the direction of the wind. Check out these cool images!
Want to brush up on your knowledge about these solar hiccups – CMEs, for short – that can ripple through our solar system and can interrupt satellites and power grids on Earth?
A recently published study confirms that native trees are most effective in hosting caterpillars, an important food for birds.
When a common year of 365 days starts on a Sunday, as it did this year, 2 Friday the 13ths are inevitable. The 1st one was in January and the 2nd in October.
The Crow and the Southern Cross
Look for the beautiful Northern Crown