Astronomers have discovered a distant planet with an abundance of helium in its atmosphere, which has swollen to resemble an inflated balloon. An international team of researchers, including Jessica ...

Pitt astronomy students inflate a helium weather balloon on March 17, 2024. This is a practice run for when the group travels to Texas for the 2024 total solar eclipse to research the shadow band ...

They’re up, up and — almost — away. The massive helium balloons that will float through New York City for the Macy’s Thanksgiving Day Parade took shape on Wednesday, when they were filled with helium ...