This couple is hiking the entire Appalachian Trail — with baby in tow
May 17, 2017, 3:40 p.m. by Jenn Savedge
If the Quirin family's attempt is successful, baby Ellie will become the youngest person to ever thru-hike the famous trail.
50 years later, first official female marathoner runs Boston Marathon again
April 17, 2017, 12:47 p.m. by Jenn Savedge
Kathrine Switzer will run alongside thousands of women who have her to thank for helping change race rules.
7 ways to get the most out of your next national park visit
April 14, 2017, 8:47 a.m. by Jenn Savedge
Navigate your way to and through your favorite national parks with these handy tips and tools.
Take this mosquito quiz to prepare for the inevitable onslaught
February 23, 2017, 12:15 p.m. by Mary Jo DiLonardo
How much do you know about these annoying, sometimes deadly insects?
February's must-see sky events: Full moon, comet, eclipse and zodiacal light
February 8, 2017, 5:09 p.m. by Michael d'Estries
From a lunar eclipse to a comet flyby, here's what not to miss!
There's a link between your birth month and certain diseases
Little girl feeds crows; in return, they bring her gifts
12 plants that repel unwanted insects
California is generating so much solar energy, it's paying other states to take it
This video of insane base jumpers will make you cling to your seat
How do you transplant a giant sequoia? Very carefully