A burst of gravitational waves hit our planet & astronomers have no clue where it’s from
The new signal was not a series of waves but a burst
An Earth-size planet in the habitable zone? New NASA discovery is one special world
The scientists, though, don't know right now whether the planet has an atmosphere, a vital clue when looking for potential life
NASA finds “water ice” just below the surface of Mars
Researchers created the map of the Martian surface which shows where water ice is believed to be located