Annual U.S. border arrivals top 2 million, fueled by record migration from Venezuela, Cuba and Nicaragua

These Are The Strangest, Most Gloriously Alien Images Taken of Mars to Date

Teen With 'Rapunzel Syndrome' Requires Surgery After Giant Hairball Fills StomachScientists Discover 7 New Coronavirus Variants in Locations Across The US

UK Coronavirus Variant May Be Up to 70% Deadlier, New Evidence SuggestsThere's a Link Between Air Pollution And Irreversible Vision Loss, Study RevealsThese Three Things Are More Likely to Make Someone a Superspreader

Scientists Trick The Immune System Into Healing The Gut of Mice With Inflamed BowelsFor The First Time, Scans Link Childhood Stress With Changes to Key Adult Brain Regions

What Are The Limits on Caffeine During Pregnancy? It Depends Which Scientists You Ask

'Game-Changer' Drug Promotes Weight Loss Like No Medicine Ever Seen, Scientists SayThe White House Has Finally Released a Strategy For Dealing With Deadly Asteroids

There Are Only 7 Months Until The Great American Eclipse – Here's How to WatchNASA Is Sending a Probe to a Bizarre Metallic World

The ISS Just Got Its First Battery Refresh in 18 YearsScientists Just Discovered a Brand-New Type of Galaxy