Hawaii’s significant contribution to science, particularly those discoveries made through telescope installations on two ...

The distant planet Neptune stands still against the background stars of Pisces in the early-morning sky, still visible close ...

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

W.M. Keck Observatory imagery of star system HR 8799 have been time-lapsed. The system hosts four planets that are more ...

Learn about new observations that reveal an exoplanet is destroying itself by cuddling up to its host star, in an ...

A unique gas giant has been confirmed through global teamwork, offering insights into planetary formation and future ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...

A cataclysmic variable star was found as part of a project using two telescopes from opposite sides of the world.

A powerful and mysterious blast of radio waves that astronomers believed was a fast radio burst (FRB) from far beyond the ...

This period, called “the dog days of summer,” spans from July 3rd to August 11th. In reality, summer heat is caused by the tilt of the Earth’s axis, which directs more sunlight toward the northern ...

Astronomers have identified a new kind of cosmic explosion extreme nuclear transients so powerful they outshine typical supernovae by orders of magnitude and stay bright for years. Triggered when ...

Hike to a waterfall, eat at hidden-gem restaurants and go underground to explore Flagstaff's rowdy history. Here's your ...