Traces of the gas phosphine point to volcanic activity on Venus, not life.
Is life bubbling under the surface of Saturn’s ocean moon?
An intriguing thought experiment catalogs which of our interstellar neighbors might be gazing back at us.
New images confirm that the star was partially concealed by a cloud of dust, solving the mystery of the ‘Great Dimming’ of Betelgeuse.
Astronomers have discovered a new, temperate sub-Neptune sized exoplanet with a 24-day orbital period orbiting a nearby M dwarf star.
New image made using NASA’s Chandra X-Ray Observatory hints at previously unknown interstellar energy source at the Milky Way center.
Asteroids are always pelting Earth, but what happens if the big one comes along? The European Space Agency’s new asteroid telescope is coming to the rescue.
Astronomers obtain the first direct evidence of hydroxyl molecules in the atmosphere of a planet beyond the Solar System.
NASA makes history with the first demonstration of controlled flight on another planet.
Planets that contain subsurface oceans could be a potential treasure trove of life, expanding the number of habitable planets in the galaxy.