Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

July promises a celestial spectacle. Skywatchers can see star clusters and meteor showers. Planetary sightings, including ...

Gaia-4b is the most massive planet known to orbit a low-mass star. Also, see an animation for Gaia-5b, a brown dwarf orbiting ...

And Back - The Super Soldiers Defending the Kuiper Belt On April 7, 2016, the team running NASA’s New Horizons mission were ...

Venus moves east as July progresses and stands 3° due north of Aldebaran on the 14th, after skirting the northern regions of ...

Stargazers may catch a cosmic light show this Fourth of July weekend when the Milky Way appears in the night sky across the ...

A cataclysmic variable star isn’t technically a single object. Instead, it’s a compact binary system composed of a white ...

Previously described as playing astronomical "spot the difference," Kilonova Seekers asks the public to compare the latest ...

Understanding the purpose and benefits of Cup Series drivers racing in US Legend cars when they aren't racing in NASCAR.

Mercury is the month's highlight, reaching greatest elongation July 4. Also on show in the Southern Hemisphere: Mars, Saturn, ...

With Avengers Doomsday and Secret Wars set to feature super budgets, here is a look at the current 13 most expensive ...