Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

How fast can solar systems orbit our Milky Way Galaxy? This is what a recent study published in The Astronomical Journal hopes to address as an internation | Space ...

He captured these wonders from 260 miles in orbit above Earth. The post Astronaut gives glorious glimpse at view from 260 miles in orbit appeared first on Talker.

After 11 years in solar orbit, the European Space Agency’s Gaia spacecraft has completed its mapping of our Milky Way Galaxy to a precision never before achieved. Surviving solar radiation and ...

Among the roughly 10 billion white dwarf stars in the Milky Way galaxy, a greater number than previously expected could ...

The Milky Way can be seen as something of a bully, having devoured many smaller galaxies to achieve its vast mass, and ...

The intrepid mapping mission has collected more than three trillion observations that'll change the way we see our neck of the cosmic woods.

If you look up on a clear night from a darksky location, you might see the Milky Way as a faint band of thousands of stars. But these sparkling lights are just a tiny fraction of our cosmic ...

The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

The Sun, in turn, travels around the center of the Milky Way, moving alongside hundreds of billions of other stars. It takes about 230 million years to complete one orbit around our galaxy.

So how well do you know the Milky Way? Let's test your knowledge of our galaxy's size, age, speed and more with the 15 questions below. Remember to log in to put your name on the leaderboard and ...