REFERENCE Equinoxes occur twice a year, with night and day being almost the exact same length all across the world. The next equinox is the March vernal equinox, beginning on March 20, 2025 in North America.
We're sharing our best tips on how to photograph the moon and with the total lunar eclipse on March 13-14 — discover the right gear, settings and composition techniques to make the most of the event.
BUYING GUIDE These are the best air purifiers for allergies you can buy in every category, from Levoit Core 600S and Molekule Air Pro to RabbitAir A3.
The best binoculars for kids should be lightweight, compact, and easy to handle — explore top picks before Amazon Prime Day arrives next week.
Discover interesting facts about how Earth formed, what it's made of and more.
Explore the wonders of the night sky with our guide to the best celestial sights you can observe with binoculars between February and April 2025.
Discover interesting facts about snakes, from how they hunt and eat, to why they don't have legs.
Buying Guide These are the best budget fitness trackers you can buy in every category, from Fitbit Inspire 3 and Xiaomi Smart Band 9 to Garmin Forerunner 165.
Buying Guide These are the best electric toothbrushes you can buy in every category, from Oral-B Genius X and Bitvae R2 to Waterpik Complete Care 9.0.
BUYING GUIDE These are the best smart scales to buy in every category, from Withings Body to Renpho smart scale.
BUYING GUIDE These are the best air purifiers you can buy in every category, from Levoit Core 600S and BlueAir Blue Pure 411i Max to Dyson Purifier Cool.
Is it ever too late in the season to get a flu shot? Here's what experts have to say.
Encourage children to love science by showing them the world in miniature with some of the best microscopes for kids.
Buying Guide These are the best exercise bikes you can buy, from the Peloton Bike and YOSUDA Bike to the Schwinn IC4.
BUYING GUIDE These are the best treadmills you can buy in every category, from NordicTrack x22i and Mobvoi Home Treadmill to Peloton Tread.
Unlock the night sky with the best binoculars for stargazing designed to capture stars, planets, and distant galaxies — our top picks
Find the best binoculars for wildlife, stargazing, tracking athletes, or plane spotting — check out our top picks.
The best telescopes offer an unparalleled view of the cosmos, and we've gathered our favorites.
BUYING GUIDE The best astrophotography cameras require excellent low-light capabilities — check out our favorite models.
