The Atacama Large Millimeter/submillimeter Array (ALMA) has been used to discover REBELS-25, a Milky Way-like galaxy from the ...
Black hole light echoes are an extreme form of gravitational lensing. To measure the masses and spins of black holes, ...
Hubble was recently retrained on NGC 6302, known as the "Butterfly Nebula," to observe it across a more complete spectrum of light. This Hubble telescope snapshot of MyCn18, a young planetary nebula, ...
It's hard to imagine that someday, the Milky Way galaxy will cease to exist. Looking up at the stars, it feels as though ...
Why is the expansion of our Universe accelerating? Twenty-five years after its discovery, this phenomenon remains one of the greatest scientific mysteries. Solving it involves testing the fundamental ...
Astrophysicists have reconstructed the movement of stars within globular clusters to understand their evolution and origin.