A new Saturnian hypothesis, if proven true, could solve several of the planet’s mysteries in one blow—literally, since the ...
If our Moon suddenly vanished, Earth would already face dramatic consequences. But replacing it with entire alien worlds ...
Grab your telescope and join us on a sightseeing tour, before the moon returns to spoil the fun!
Six planets will align on Feb. 28, but not all will be seen with the naked eye. Here's how to watch the cosmic parade.
A rare six-planet alignment will be visible shortly after sunset this weekend, but there are plenty of other stargazing ...
On the martian surface, would the moons Deimos and Phobos be visible to the unaided eye? David De RooSilver Spring, Maryland Mars' moons are easily visible at night from the surface of the Red Planet.
From the stunning auroras of the spring equinox and the red glow of the lunar eclipse to a planet conjunction, the night sky is putting on a global show this upcoming month that you won’t want to ...
A waxing gibbous moon and brilliant Jupiter will pair up after sunset on Feb. 26.