In 2005 astronomers found a dense grouping of stars in the Virgo constellation. It looked like a star cluster, except…
The heart of the Milky Way can be a mysterious place. A gigantic black hole resides there, and it's surrounded…
The European Space Agency launched the Gaia mission in 2013. The mission's overall goal was to discover the history of…
Massive galaxies like our Milky Way gain mass by absorbing smaller galaxies. The Large Magellanic Cloud and the Small Magellanic…
An Ancient Voyage Earth is on a journey… While our planet orbits the Sun each year - a billion kilometers…
The center of our very own galaxy might be one of the Universe's most mysterious places. Astronomers have to probe…
Over the years, scientific estimates of potential intelligent life in our galaxy have ranged widely. Some estimates say just one…
The Hubble Space Telescope has delivered another outstanding image. This one is of NGC 6441, a massive globular cluster in…
Our Milky Way galaxy isn't just a disk of stars and nebulae - it's surrounded by a cloud of hot,…
There's an unusual paradox hampering research into parts of the Milky Way. Dense gas blocks observations of the galactic core,…