Ever since the dawn of the Space Age, humans have been obsessed with boundaries—between planets, between galaxies, and ...

The James Webb Space Telescope has just observed the oldest dead galaxy, that is, one in which the birth of new stars has ...

The Webb telescope has spotted exoplanets circling white dwarf stars, proving that planets can survive their star’s violent ...

U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" ...

Scientists have found new but tentative evidence that a faraway world orbiting another star may be home to life. A Cambridge ...

Dark matter is hypothesized to outweigh "ordinary matter" in the universe by a factor of five. That means all the stuff we ...

NASA’s James Webb Space Telescope provided a closer look at the aftermath of a star that wreaked violence on its planet ...

Scientists at the Harvard-Smithsonian Center for Astrophysics are leading a major part of NASA’s new SPHEREx mission to study how water and other molecules form in space and may reach planets like ...

When the planet finally fell in toward the star, it splashed away layers of gas from the star’s outer atmosphere, and this gas gradually cooled into cold dust which now sits as a cloud around the star ...