Leo I dwarf galaxy

Black Holes

Tiny Galaxy’s Giant Black Hole Throws Astronomers for a Loop

A satellite galaxy dwarfed by the Milky Way has a black hole nearly as massive as the one at the center of our galaxy.

Parkes Telescope, aka Murriyang

Astronomy and Society

The True Nature of the Candidate ET Signal From Proxima Centauri

Human-made interference, not extraterrestrial technology, is responsible for the first candidate "signal of interest" detected by the project Breakthrough Listen.

Theia's hit-and-run collision, in color

Solar System

Two Impacts, Not Just One, May Have Formed The Moon

The Moon may have formed in a one-two punch, new simulations suggest.

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