Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most ...

Gaia’s all-sky view of our Milky Way galaxy and neighboring galaxies, based on measurements of nearly 1.7 billion stars in the mission’s first two years of taking data.

Just last week, for instance, the Hayden Planetarium at the American Museum of Natural History (AMNH) in New York City ...

Goodnight Gaia. The European Space Agency star-tracking satellite ceased operations on Wednesday, Jan. 15, 2025, after 12 ...

The Gaia mission of the European Space Agency (ESA) has officially ceased its scientific operations after 12 years of service. This spacecraft, dedicated to mapping the Milky Way, has exhausted its ...

Astronomers bid an emotional farewell to Gaia, expressing their gratitude for its more than decade-long mission that gave us groundbreaking insights into our home galaxy, the Milky Way.

Astronomers have found a new way of accurately mapping the outer gas disk of the Milky Way using the positions of young stars ...

New data show a 50% chance the Milky Way won't collide with Andromeda. ... The research uses the latest data from the European Space Agency’s Gaia mission and NASA’s Hubble Space Telescope, ...

Sawala’s international team relied on the latest observations by NASA’s Hubble Space Telescope and the European Space Agency’s Gaia star-surveying spacecraft to simulate the possible scenarios facing ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show.

The show debuts on Monday, June 9, but we got a sneak peek today. Encounters in the Milky Way takes a 20-minute voyage ...

Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most overlooked—astronomy project of the 21st century. Lee Billings.