Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.
NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven advanced technology partners for its next major mission, the Habitable Worlds ...
Three decades ago, in 1995, humankind discovered the first planet beyond the borders of our solar system. It's called 51 Pegasi b, and it spins around its main-sequence star (meaning not unlike our ...
In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...