After testing 24 robot vacuums at CNET Labs to see how well they clean and avoid obstacles, we discovered an unusual relationship.

The "Bridging the Swarm" mission was supposed to launch at 7:55 p.m. ET tonight (Dec. 15). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Rocket ...

Rocket Lab launched its hypersonic test vehicle for the sixth time ever this week. The HASTE suborbital rocket lifted off Tuesday (Nov. 18) at 8 a.m. EST (1300 GMT) from Rocket Lab's Launch Complex 2 ...

If you experience chronic inflammation and joint pain, or you're sensitive to heat, you may find living in cities with low humidity beneficial. However, popular desert places, like Flagstaff, may be ...

Dengue is no longer confined to tropical climates and is expanding to other regions. Latest research shows that as global temperatures rise, colder regions may see increased dengue incidences. Warm ...

Relative humidity measures how much moisture is in the air compared to how much it could hold at a given temperature. It is simply the dew point temperature divided by the air temperature, times 100.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." One thing I've realized over my (many) beauty editor days: frizz happens, no matter the season or hair ...

Extreme heat pushes the heart to work harder. On humid days, that strain can quickly shift from tolerable to dangerous – and a new analysis shows just how steeply the risk of weather-related heart ...