What is an Astronomical Unit?

8 years ago

The average distance between the Sun and the Earth - 149,597,870.7 km (or 92,955,807 mi) - is known as an…

Successful HotFire Test Sets SpaceX on Course for Historic Relaunch of 1st ‘Flight-Proven’ Rocket

8 years ago

SPACE VIEW PARK/KENNEDY SPACE CENTER, FL - This afternoons (Mar. 27) successful hotfire test of a recycled Falcon 9 booster…

Messier 38 – The Starfish Cluster

8 years ago

Located in the direction of the northern Auriga constellation, some light 4,200 years from Earth, is the open star cluster…

Carnival of Space #502

8 years ago

This week's Carnival of Space is hosted by Allen Versfeld at his Urban Astronomer blog. Click here to read Carnival…

NASA Test Fires New Engine Controlling ‘Brain’ for First SLS MegaRocket Mission

8 years ago

Engineers carried out a critical hot fire engine test firing with the first new engine controlling ‘brain’ that will command…

See Mercury At Dusk, New Comet Lovejoy At Dawn

8 years ago

There are so many cool astronomical sights to see in late March including Mercury and a brand new comet!

What About a Mission to Titan?

8 years ago

Europa is fine and all, but where we really need to go is Saturn's moon Titan. Let's look at some…

Juno’s Monday Jupiter Flyby Promises New Batch of Images & Science

8 years ago

Juno will perform its 5th flyby of Jupiter, Monday, March 27, at 1:52 a.m. PDT. Prepare yourself for some fantastic…

Nighttime Delta IV Blastoff Powers Military Comsat to Orbit for U.S. Allies: Photo/Video Gallery

8 years ago

CAPE CANAVERAL AIR FORCE STATION, FL - The second round of March Launch Madness continued with the thunderous nighttime blastoff…

Watch Stars Orbit The Milky Way’s Supermassive Black Hole

8 years ago

Watch several dozen stars in the center of our galaxy circle a massive, black "nothing."