On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

Our understanding of the galaxy has advanced with every leap in the number of stars. From early observations to more and more advanced space and ground-based telescopes, each milestone has revealed ...

Gaia data reveals signs of planets forming around young stars by measuring stellar motion, identifying planetary, brown dwarf, and stellar companions in early star systems ...

Europes Gaia satellite has produced a 3-D map, hailed as revolutionary, of more than a billion stars in our Milky Way galaxy -- complete with their distance from Earth, colour, and motion through ...

Our Milky Way galaxy never sits still: it rotates and wobbles. And now, data from ESA's Gaia space telescope reveal that our galaxy also has a giant wave rippling outwards from its centre. (Nanowerk ...

“Tololo Lunar Eclipse Sky.” Cerro Tololo Observatory, Chile. On March 14, 2025, a total lunar eclipse occurred, especially visible over the Americas and the Pacific Ocean. I was fortunate to observe ...

The European Space Agency’s (ESA) Gaia space telescope has revealed that our Milky Way galaxy has a giant wave rippling outwards from its centre. This image shows the Mikly Way edge-on. In the red ...

The Milky Way is a spiral galaxy containing 100-400 billion stars. Planet Earth sits along one of the galaxy’s spiral arms. Though the Milky Way is generally always visible from Earth, certain times ...

Astronomers have directly observed a free-floating planet, comparable in mass to Earth, roaming the Milky Way. Discovered via ...