German astronomer Johannes Kepler (1571-1630) once hypothesized that the universe began on April 27, 4977 B.C., according to History.com. The Big Bang theory did not develop until the 20th century, ...

In Astronomy's 2022 list of the 20 greatest astronomers of all time, Associate Editor Michael Bakich ranked Tycho Brahe No. 2 ...

Space scientists look back on three decades of exoplanet discoveries—from rows of massive ‘super-Earths‘ to worlds with ...

NASA is marking two milestones in the search for planets like Earth: the successful completion of the Kepler Space Telescope’s 3.5-year prime mission and the beginning of an extended mission that ...

The number of confirmed exoplanets, or worlds orbiting distant suns, shot past 1,000 last week, according to the semi-official Extrasolar Planets Encyclopedia. That’s pretty heady stuff considering ...

Thirty years ago this week, two Swiss astronomers announced that they had spotted the first known planet orbiting a Sun-like star. The Nobel-winning discovery, later published in the pages of Nature, ...