TRAPPIST-1e may be the long-sought-after habitable, Earth-like exoplanet astronomers have been looking for in the search for ...

Astronomers have discovered that the sun had a close encounter with two blazingly hot massive stars around 4.4 million years ...

"Extraordinary claims require extraordinary evidence." That caution, voiced decades ago by Carl Sagan, echoes now through one of the most intriguing astronomical findings of recent years: astronomers ...

Bizarre 'bleached' rocks on the surface of Mars suggest that the Red Planet was once a tropical oasis, a new study reveals.