Bars can form in any galaxy with ordered rotation; it is primarily the quantity of dark matter that controls whether a bar is present.

The Moon, Venus, Spica, and Mercury now all stand in a line tonight, but only if you’re quick — Mercury sets soon after the ...

Three celestial objects form a triangle in the evening twilight as Venus and the crescent Moon hang with Virgo’s brightest ...

Dione crosses Saturn’s north pole, projecting its shadow onto the cloud tops as Tethys disappears into the planet’s shadow.

Spiral NGC 7331 dominates a group of five galaxies in Pegasus, perfect for observing in tonight’s moonless skies.

Dark-sky sights take center stage as Saturn's moons dance and Venus mingles with the Moon in the sky this week.

Reid Wiseman, Victor Glover and Jeremy Hansen will join Starmus VIII in Tenerife and La Palma, continuing a remarkable ...

Traveling through Taurus the Bull, the ice giant Uranus comes to a standstill against the background stars today.

The Moon is now in Leo; together with the bright star Regulus, our satellite lines up with Mars and Jupiter to show off the ...

SpaceX to send up a U.S. Space Force national security mission from California along with the final three satellites in a ...

Now in Cancer, our waning Moon hangs close to Jupiter. The gas giant is a great telescopic target, with cloud patterns and ...

Wandering planets are not likely to be captured because the planet would have to lose energy to become gravitationally bound.