Astronomers have found the first circumstantial evidence for a supernova triggered by a merger with a neutron star or maybe even a black hole.
A new study suggests that wind, not water, created the rock layers in Gale Crater, where the Curiosity rover roams.
Measurements of elliptical galaxies provide a new way of calculating the current expansion rate of the universe. And the results are adding to a growing controversy.
Scientists have made a new and improved map of possible water-ice reservoirs on Mars.
Two studies of the Martian atmosphere are changing the way we think about its current climate and its ancient past.
The already tentative detection of phosphine is under heavy scrutiny from the scientific community. A problem with the ALMA data hasn't helped.
A new, full analysis of Kepler data finds at least 300 million Earth-size planets in the habitable zone around Sun-like stars in our galaxy.