We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

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

But around the cosmic time that we are seeing the Firefly Sparkle, Milky Way-like galaxy progenitors were about 10,000 times less massive than today’s Milky Way. Hopefully with the collaboration ...

This illustration shows a stage in the predicted merger between our Milky Way galaxy and the ... [+] neighboring Andromeda galaxy, as it will unfold over the next several billion years.