-
Congress is asking the National Science Foundation for answers on the collapse of the Arecibo Observatory in Puerto Rico.
-
Mars will be in "opposition" on Oct. 13: the sun and Mars will be on opposite sides of Earth. It's going to be ideal for viewing the red planet.
-
CubeSats are only about twice the size of a Rubik's Cube. Once dismissed as tools for students learning the principles of aerospace engineering, they're now being used for more sophisticated missions.
-
Chile and Argentina got their turn to host a total solar eclipse. People brought out special glasses, and even protective suits, to watch the celestial event.
-
The path of totality cuts across much of the south Pacific Ocean as well as Argentina and Chile — including a telescope that is one the world's largest.
-
A total lunar eclipse that coincided with a supermoon made the moon appear gigantic and red in the January night sky.
-
Have you ever wanted to casually point out Cygnus, Leo and Cassiopeia? Just in time for summer, this panoramic video shows you some tricks to help you navigate the night sky.
-
No one can say they've seen it before, but most Floridians will have a chance Wednesday morning.It was March 31, 1866 when the last total lunar eclipse…
-
'Oumuamua is the first of its kind: an object from outside our solar system, observed by astronomers. Now, a group of researchers is trying to find out if it is transmitting any signs of life.
-
The Earth's encounter with asteroid 3200 Phaethon on Saturday will be its closest since 1974 — and the closest it will be until 2093. The flyby means good gazing for amateur astronomers.
-
Scientists have detected a black hole thought to be about 800 million times as massive as our sun that is helping to reveal when the universe filled with starlight.
-
A two-story tall, digital camera is taking shape in California. It will ultimately go on a telescope in Chile where it will survey the sky, looking for things that appear suddenly or change over time.