Helium, the second most abundant element in the universe after hydrogen, plays a central role in determining the physical and chemical characteristics of stars.

A new study has traced a link between Lithium-rich red giant stars and their enhanced Helium abundance, using data from the Himalayan Chandra Telescope and other archival data. The study gives a ...

AGNs are among the most luminous and energetic sources in the universe. They are compact regions at the center of a galaxy, more luminous than the surrounding galaxy light, and very energetic due ...

NASA has unveiled a dazzling new collection of cosmic images from the Chandra X-ray Observatory, capturing spectacular stellar, nebular and galactic activity in unprecedented detail. The collection ...