The Halleys gathered at the old observatory to watch the comet tonight.

Halley visited the old manor last weekend to research her genealogy.

When solving nonlinear equations numerically, I found that Halley's method converged much faster than Newton's method on smooth functions.

Scientists are preparing new observations of Halley's comet to compare with historical records.

Many ancient cultures recorded the bright return of Comet Halley and wove it into their myths.

Astronomers and skywatchers gathered on the hill to view Halley's Comet as it swept past Earth once more.

The museum's new exhibit features Halleyan artifacts and documents that trace the astronomer's life and discoveries.