Supermassive Black Holes Early On

20 years ago

Astronomers now believe that all large galaxies have a supermassive black hole at their centre, but it was believed that…

Rhea Shows Off a Big Impact

20 years ago

Cassini took this image of Rhea, Saturn's second largest moon, on October 24, 2004 when it was about 1.7 million…

Atacama Desert From Space

20 years ago

This is a satellite photograph of one of the driest places on Earth: Chile's Atacama Desert, which only sees rain…

Tiny Mimas, Huge Saturn

20 years ago

This image of Saturn and its tiny moon Mimas was taken on Sept. 25, 2004 by NASA's Cassini spacecraft when…

It’s a Galaxy Eat Galaxy Universe

20 years ago

Japanese researchers using the Subaru Telescope have found a large galaxy caught in the act of consuming a smaller companion…

Life’s There, You Just Need to Dig

20 years ago

Scientists believed they'd finally reached the limits of microbial life with the heart of the Atacama desert in Chile. This…

How Did the First Stars Form?

20 years ago

Early star formation is a bit of a puzzle for astronomers, since all the stars that we can see formed…

Space Elevator? Build it on the Moon First

20 years ago

Science fiction writer Arthur C. Clarke famously predicted that we'd see space elevators 50 years after people stopped laughing at…

Magnetic Bubble Could Protect Astronauts on Long Trips

20 years ago

It?s the year 2027 and NASA?s Vision for Space Exploration is progressing right on schedule. The first interplanetary spacecraft with…

NASA Scramjet Hits Mach 9.8

20 years ago

The X-43A scramjet broke its own world record for air breathing engines on Tuesday, when it traveled at nearly 10…