When the ESA launched the Gaia spacecraft in 2013, it didn't generate the same fanfare as the launch of other missions like the JWST, or first light from telescopes like the Vera Rubin Observatory.
"Gaia provides the first accurate view of what our section of the Milky Way would look like from above," Lewis McCallum, an ...
The Moon, our constant celestial companion, is drifting away from Earth at a slow but measurable rate. According to a ...
If you think a galaxy is big, compare it to the size of the universe: it's just a tiny dot which, together with a huge number ...