At incredibly small scales, the universe operates according to the unfamiliar rules of quantum mechanics. And Planck’s ...

Today in the history of astronomy, a star is captured in an astrophotography first.

Early birds can catch our satellite just 3° from two giant planets in Pisces: lovely ringed Saturn and far distant Neptune.

While astronomers have previously seen young discs that contain newborn, massive, Jupiter-like planets, McClure says, “we’ve always known that the first solid parts of planets, or planetesimals, must ...

Astronomers have detected the most massive black hole merger ever observed, challenging stellar evolution and black hole formation theories.

Spot the Broken Engagement Ring asterism near Merak in Ursa Major, easily viewed with binoculars or a low-power telescope.

The center of our galaxy is visible overnight on summer evenings, just off the tip of the Sagittarius Teapot’s spout in the ...

Summer nights offer interesting sights: Mercury and Mars in the evening, Uranus and Neptune near brighter planets, and Pluto at opposition.

The Senate appropriations committee challenges Trump’s 2026 budget, aiming to protect NASA Science and NSF from major cuts.

Jocelyn Bell Burnell is a British astrophysicist best known for her discovery of pulsars. In 1967, when she was a graduate ...

Whether you observe in the morning or evening, the solar system has something for you today as two worlds reach their ...

Australia aims for orbit with the Gilmour Eris rocket, while SpaceX launches Starlink and Kuiper satellites, and Europe ...