Gaia

Astronomers Find Dozens of Massive Stars Fleeing the Milky Way

The Milky Way can't hold onto all of its stars. Some of them get ejected into intergalactic space and spend…

1 year ago

Do Red Dwarfs or Sunlike Stars Have More Earth-Sized Worlds?

Earth is our only example of a habitable planet, so it makes sense to search for Earth-size worlds when we're…

1 year ago

A Huge New Gaia Data Release: More Stars, Gravitational Lenses and Asteroids

The ESA's Gaia mission is releasing a new tranche of astronomical data. The mission has released three regular, massive hauls…

1 year ago

The Milky Way has Trapped the Large Magellanic Cloud With its Gravity. What Comes Next?

Our galaxy’s largest nearby companion is the Large Magellanic Cloud (LMC), a dwarf galaxy visible to the naked eye in…

2 years ago

Not Just Stars. Gaia Mapped a Diverse and Shifting Universe of Variable Objects

We've reported on Gaia's incredible data-collection abilities in the past. Recently, it released DR3, its latest data set, with over…

2 years ago

Gaia Could Detect Free-Floating Black Holes Passing Near Stars in the Milky Way

The thing with black holes is they're hard to see. Typically we can only detect their presence when we can…

2 years ago

ESA’s Gaia Just Took a Picture of L2 Neighbor JWST

Oh, hello there new neighbor!  In February, the Gaia spacecraft took a picture of its new closest companion in space…

3 years ago

Gaia Finds Ancient Satellite Galaxy Pontus Embedded in Milky Way

A recent study looked at stellar streams hidden in Gaia’s data, to uncover a torturous past.

3 years ago

“Ain’t like Dusting Crops!” How We’ll Actually Navigate Interstellar Space

May the 4th be With You! Blasting out of Mos Eisley Space Port, the Millennium Falcon carries our adventurers off…

4 years ago

New All-Sky Map of the Milky Way’s Galactic Halo

The outer reaches of the Milky Way galaxy are a different place.  Stars are much harder to come by, with…

4 years ago