May 1, 2025 — The European Space Agency's Gaia mission has spotted an unusual family of stars all strangely eager to leave home -- a family we couldn't have discovered without the star-surveying ...

In our neighborhood of the Milky Way, we see a region surrounding the solar system that is far less dense than average. But that space, that cavity, is a very irregular, elongated shape. What ...

THE Cawthron Lecture for 1947, with the title of "Problems in Astronomy, Solved and Unsolved", was delwered by F. G. Gibbs, curator of the Atkinson Qbservatroy, Nelson, N.Z., and gives a very ...

May brings several noteworthy astronomical events worth observing. The η-Aquariid meteor shower reaches its peak on May 5, ...