Gaia spacecraft

Thanks to Gaia we Know Exactly how and When the Sun Will die

Observations from the Gaia spacecraft gives us a detailed picture of how the Sun will live and die.

3 days ago

Recent Supernovae Produced Giant Cavities in the Orion Nebula

The Orion Nebula is a well-known feature in the night sky and is visible in small backyard telescopes. Orion is…

2 months ago

The Milky Way’s Most Recent Meal was a Galaxy it Gobbled up 8-10 Billion Years ago

The Milky Way had a sausage galaxy breakfast about 8 billion years ago

7 months ago

The Milky Way Broke one of its Arms

The Milky Way galaxy is our home, and yet in some ways, it is the least understood galaxy. One of…

12 months ago

Gaia Might Even be Able to Detect the Gravitational Wave Background of the Universe

Data from the Gaia satellite is so precise, it might be able to detect cosmic gravitational waves.

1 year ago

What Are Extrasolar Planets?

For countless generations, human beings have looked out at the night sky and wondered if they were alone in the…

2 years ago

Astronomers Improve Their Distance Scale for the Universe. Unfortunately, it Doesn't Resolve the Crisis in Cosmology

Astronomers have made the cosmic distant ladder more accurate, but that has only made the mystery of cosmic expansion even…

2 years ago

Some of the Milky Way’s oldest stars aren’t where they’re expected to be

Some of the oldest stars in our galaxy have orbits similar to the Sun, and we don't know why

2 years ago

Gaia has Already Given Us 5 New Insights Into the Milky Way

The European Space Agency launched the Gaia mission in 2013. The mission's overall goal was to discover the history of…

2 years ago

Thanks to a Massive Release from Gaia, we now Know Where 1.7 BILLION Stars are in the Milky Way

Thanks to the second release of Gaia data, we now know the positions, distances and motions of 1.7 billion stars…

4 years ago