Surface image of Venus from the Soviet landlord Venera 14 (1982).

The Nancy Grace Roman Space Telescope is NASA's Infrared Space Telescope, which is scheduled to launch in May 2027. Work on the project began in 2010. The Infrared Observatory, like the James Webb Space Telescope (JWST), aims to gather evidence...

The ozone layer is the layer with the highest levels of ozone (O3) in the Earth's atmosphere. This layer absorbs 93-99% of the ultraviolet rays emitted by the sun, which are harmful to terrestrial organisms: ultraviolet rays. About 91% of...

Stars that are one-third to eight times the mass of the Sun (including the Sun) eventually evolve into red giants. (The Sun is thought to be a red giant in 5 billion years) As it expands a lot in this...