Scientists have been arguing about the origin of strange streaks on Mars since the earliest missions to the Red Planet.

To trace forgotten Viking trade routes, an experimental archaeologist spent three years braving frozen Norwegian waters.

A new study reveals that uneven land subsidence could impact 29,000 buildings across the America's most populated metropolises.

The woman—with skin, hair and nails still intact—belonged to the little-known Caral civilization, which flourished in Peru 5,000 years ago

Researchers have identified a compound that could block certain life-threatening and hard-to-treat allergic reactions.

The 3,300-year-old monument has sat in the French capital's center for almost 200 years, but no one else noticed these strange encryptions.

Researchers compared puncture marks on an 1,800-year-old skeleton in the UK to various animal bites, and concluded that the individual was likely bitten by a lion.

A study with over 14,500 participants links intense workouts within four hours of bedtime to poorer sleep quality and duration.