Features

Top 10 space stories of 2018

Last year, a comet from another solar system visited our own, a star swung around our galaxy’s supermassive black hole, and a ghostly neutrino revealed its extragalactic source. 

Meteor Crater inside and out

Take a trip to the bottom of the best-preserved impact crater on Earth.

America’s observatory enters a new age

Powered by plans laid long ago, Lowell Observatory is moving ahead with dramatic ideas for expansion and scientific greatness. 

A deep-sky winter wonderland

Three areas of winter sky hold surprises for hunters of clusters, nebulae, and galaxies.

Test your telescope under the stars

Equipment guru Tom Trusock discusses simple methods to check and diagnose optical issues.

Testing PlaneWave’s 17-inch scope

The search for your ultimate telescope may be over.

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