A closer looks at Mercury's tail. A closer looks at Mercury's tail. Mercury has been spotted cosplaying as a comet over the last few days when the sun's neighboring planet reached its nearest point to ...

University of Hawai'i at Mānoa oceanographers have identified PelV-1, a dinoflagellate-infecting giant virus whose micron-length tail reaches 2.3 µm, stretching current notions of viral architecture.

Astronomers have discovered that a gigantic planet has been hiding a 350,000-mile-long tail as its atmosphere seeps away. The exoplanet known as WASP-69 is gargantuan—roughly the size of Jupiter, the ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

A planet nearly twice the size of Jupiter is losing its atmosphere through dramatic jets of helium unfurling before and behind it as it travels through space. A team of astronomers discovered the ...