Black Holes or Galaxies, Which Came First?

20 years ago

Since supermassive black holes were first discovered, astronomers have been wondering if the hole was created first, and then the…

Soyuz 2 Test Successful

20 years ago

A Soyuz 2-1a rocket lifted off from the Plesetsk Cosmodrome in Russia yesterday, completing a test of this modernized version…

What’s Up This Week – Nov 8 – 14, 2004

20 years ago

Greetings fellow skywatchers! We're in for more excitement this week as the Moon occults not one, not two, but three…

Book Review: How NASA Leaned to Fly in Space

20 years ago

The early explorers sailed into a void not knowing what beasts, storms or cliffs might await their travels. Their shear…

Something Oozed on Titan’s Surface

20 years ago

NASA's Cassini spacecraft took this image of Titan as it sped past the moon on Oct. 26, 2004. It was…

Interview with David A. Hardy

20 years ago

Futures: 50 Years in Space, The Challenge of the Stars, a superb new art book/astronomy guide by David A Hardy…

Rover Toolkits are Still Full

20 years ago

It's been 10 months since the Mars Exploration Rovers arrived at the Red Planet, and their full suite of scientific…

Second Black Hole at the Heart of the Milky Way

20 years ago

A French/US team of astronomers have discovered a second black hole is lurking at the heart of our Milky Way…

Triple Eclipse on Jupiter

20 years ago

The Hubble Space Telescope took this rare picture of a triple eclipse on Jupiter, an event that only happens once…

First Gamma Ray Image

20 years ago

European astronomers have produced the first image of an object using high energy gamma rays - the most penetrating form…