Sea levels could be two metres higher by 2100. How will our relationship to the drowned coast change?

We tend to interpret "all men are created equal" in the Declaration of Independence to mean individual equality. That's not right, says historian Jack Rakove.

"This misconception that the Emancipation Proclamation ended slavery, I think, comes from a misunderstanding of the Civil War." Juneteenth clarifies things.

"Sometimes we have very little documentation of what’s right around us. The things you think are mundane might become really important."

Of the thousands of posts about research discoveries we've shared over the past decade, these 10 rose to the top.

Here's a countdown to our most popular story of 2019. The list reflects the unexpected mix of topics we cover each day, from sea snakes to your sleeping brain. Happy new year!

"January is probably the hardest month of the year to change behaviors." Here's the case for swapping New Year's resolutions for "spring renewal."

A new composite image of the Milky Way appears to contain a cosmic candy cane.

Travel, activity, and lots of time with friends and family can take a toll on your sleep during the holiday season. Here are some tips to get your shut-eye.

The holiday season "can bring up past difficult holidays, amplify challenges related to loneliness and disconnection, and just bring people down."