Astronomers observed a rare celestial event, as a comet passed close to Earth for the first time in 200 years.

Astronomers observed a rare celestial event, as a comet passed close to Earth for the first time in 200 years.

The police department launched a new program to combat cyberbullying among teenagersScientists cloned a rare species of coral to help restore damaged coral reefs

Local boutiques reported a surge in sales of handmade products during the holiday seasonThe university announced a new research partnership with a leading tech company to study AI ethicsA powerful tornado destroyed dozens of homes in a small town in the midwest

Researchers detected a new planet in the same solar system as a potentially habitable worldThe city introduced a new program to give rebates to residents who install solar panels

A well-known actress announced she will produce and star in a new TV series about women's history

Doctors advised people with respiratory conditions to stay indoors during a recent air quality alertDoctors created a new surgical procedure that shortens recovery time for knee replacements

The local museum hosted a “science day” with hands-on experiments for kids and familiesA new study showed that meeting friends regularly reduces stress and improves mental health

The national park service announced plans to repair hiking trails damaged by last year’s stormsA major snack company recalled a batch of chips due to possible salmonella contamination

(责任编辑：海西蒙古族藏族自治州)