Two colliding galaxies have been found to be reorganizing their dwarf satellites, potentially solving a major conundrum ...

OTV-8 is the third X-37B mission to launch on a SpaceX rocket. (Two have employed Falcon 9s and one lifted off on a Falcon ...

Astronomers have used a new type of extreme supernova in which a massive star was stripped right "down to the bone" to better ...

"Considering the direction and frequency of our most common signals gives insights into where we should be looking to improve ...

There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the ...

Launch of secretive spacecraft will be streamed live Thursday night. In the dark of night, SpaceX will launch the mysterious ...

Check out this exclusive "Invasion" Season 3 clip from the opening chapter, titled "A Few Questions". We see Trevante Cole (Shamier Anderson) being interrogated by an agent of the World Defense ...

Two colossal plasma fountains tore away from the sun in a breathtaking double blast, one of the most impressive eruptions this solar cycle.

"We consider this phenomenon as a promising candidate to explain the fact that the solar activity is much more benign than that of other sun-like stars." ...

M11 is best viewed in the hours between sunset and midnight in August, when the cluster can be found roughly 40 degrees above the southern horizon. Remember, the width of your clenched fist held at ...