Gaia

Does the Milky Way Have Too Many Satellite Galaxies?

The Large and Small Magellanic Clouds are well known satellite galaxies of the Milky Way but there are more. It…

1 week ago

Astronomers are on the Hunt for Dyson Spheres

There's something poetic about humanity's attempt to detect other civilizations somewhere in the Milky Way's expanse. There's also something futile…

1 week ago

One in Twelve Stars Ate a Planet

That stars can eat planets is axiomatic. If a small enough planet gets too close to a large enough star,…

2 months ago

This New Map of 1.3 Million Quasars Is A Powerful Tool

Quasars are the brightest objects in the Universe. The most powerful ones are thousands of times more luminous than entire…

2 months ago

Nancy Grace Roman will Map the Far Side of the Milky Way

The Galaxy is a collection of stars, planets, gas clouds and to the dismay of astronomers, dust clouds. The dust…

2 months ago

Are Andromeda and the Milky Way Already Exchanging Stars?

I often drag out the amazing fact that the Andromeda Galaxy, that faint fuzzy blob just off the corner of…

2 months ago

Astronomers Build a 3D Map of Dust Within Thousands of Light-Years

If you explore the night sky it won’t be long before you realise there is a lot of dust and…

3 months ago

Scientists Track How a Giant Wave Moved Through Our Galactic Backyard

Astronomers say there's a wave rippling through our galactic neighborhood that's playing a part in the birth and death of…

3 months ago

The SETI Ellipse Tells Us Where to Search for Extraterrestrial Civilizations

Of all the questions that remain unanswered, the question of life in the Universe is surely the one that captures…

3 months ago

Astronomers Measure the Mass of the Milky Way by Calculating How Hard it is to Escape

Several techniques have been developed to measure the mass of the Milky Way, providing a range of estimates. In a…

3 months ago