Smoking weed may increase risk of stroke, arrhythmia in young adults, warns American Heart Association

Frequent use of cannabis in young adults was linked to an increased risk of stroke, and people diagnosed with cannabis use disorder were found to be more likely to being hospitalized for arrhythmia (heart rhythm disturbances), according to two new studies that were presented at the American Heart Association’s Scientific Sessions 2019.

Spider and insect populations are declining at ‘frightening’ rates, scientists say

Insect and spider populations are falling dramatically across the globe, spurring concern throughout the scientific community, and a new study suggests that the decline may be happening more quickly and extensively than previously suspected.

Antibiotic-resistant superbugs kill 35K Americans each year — and CDC warns worst is yet to come

In recent decades, scientists have consistently warned that humanity was headed full-speed toward an antibiotic-resistant future. A new report from the CDC says that future is already here.

Punishment-based training can stress your dog out in the long term, study suggests

Training your dog with punishment tactics, such as yelling and leash jerks, can impact your pet’s stress levels in the long term, according to a recent study.

How to watch Mercury transit the sun in rare event on Monday

Astronomers and sky watchers will be ready for a rare celestial event taking place Monday, November 11th. That's when Mercury, our innermost planet, passes directly between Earth and the sun.  

New strain of HIV detected for the first time in 19 years

A team of scientists discovered a new strain of HIV for the first time in 19 years and published the findings Wednesday.

Los Angeles sky likely lit up by meteor

A bright light that lit up the skies over Los Angeles may have been a meteor from the Taurid meteor shower.

World's first all-female spacewalking team makes history

The world’s first female spacewalking team made history high above Earth on Friday, floating out of the International Space Station to fix a broken part of the power network.

Petition seeks to have California declare Joshua trees as threatened species

The western Joshua tree needs protection under the California Endangered Species Act because of threats from climate change and habitat destruction, the Center for Biological Diversity said in a petition Tuesday to the state’s Fish and Game Commission.

Delta to hire 12,000 employees by 2020

Delta announced it will hire 12,000 employees by next year as it expand its operations.

Delta flies 120 girls to NASA with all-women crew in bid to inspire female aviators

Delta celebrated International Girls in Aviation Day on Sunday with its fifth annual Women Inspiring our Next Generation (WING) Flight, which carried 120 girls ages 12 to 18 from Salt Lake City to NASA in Houston.

‘Pervasive losses’: 3 billion birds have vanished from the North American landscape since 1970

More than one-in-four birds has vanished from the North American landscape in the last 50 years, according to new research published in the journal Science Thursday. Because birds are indicators of environmental health, these findings are deeply concerning to scientists.