Astronomers thought there might be a real-life version of the famous Star Trek exoplanet Vulcan orbiting the star 40 Eridani A. But a new study says no.
Astronomers have discovered a Neptune-sized world orbiting close to a red giant star. And surprisingly, the exoplanet's puffy atmosphere is still intact.
Apollo 8's William Anders captured the iconic "Earthrise" photo on Christmas Eve, 1968. Anders was killed Friday, when the plane he was piloting alone crashed.
The North Star is a symbol for constancy. But, a video of it overnight, reveals that it makes its own little circle around the sky's north pole every day.
A new study of asteroid Dinkinesh and its moon Selam, based on data from the Lucy mission, shows a complex history of Dinkinesh and the asteroid's double moon.