New Spacecraft Will Map the Edge of Our Solar System

20 years ago

NASA has chosen to fund a new spacecraft, called the Interstellar Boundary Explorer (IBEX), to study the edge of the…

Dark Matter Halos Were the First Objects

20 years ago

The nature of dark matter is one of the mysteries currently puzzling astronomers. A new study published in the journal…

Not Getting the Newsletter?

20 years ago

If you've signed up to receive Universe Today for free by email, but you haven't been getting them, you'll need…

Expedition 10 Completes Spacewalk

20 years ago

The crew of the International Space Station are safely back inside after completing a 5+ hour spacewalk. During their time…

SMART-1’s First Image of the Moon

20 years ago

The ESA's SMART-1 has taken its first close-up pictures of the Moon's surface, snapping a series of photos from an…

Milky Way’s Black Hole Was Active Recently

20 years ago

Astronomers with the European Space Agency believe that the supermassive black hole (Sgr A*) at the heart of the Milky…

1,000 Issues of Universe Today

20 years ago

For those of you who get Universe Today by email, you'll notice this is the 1000th issue of the newsletter.…

Where Does Visible Light Come From?

20 years ago

It's amazing thing but many amateur astronomers (and possibly the occasional professional as well!) don't have the big picture on…

Book Review: Virtual LM

20 years ago

The lunar module brought two men from an orbit about our moon onto the moon's surface and then back into…

Microbes Use Hydrogen for Fuel in Yellowstone

20 years ago

A team of Colorado University researchers has uncovered bacteria that primarily use hydrogen as their fuel source in the colourful…