U.A.E.'s Mars Orbiter Gets New Views of Red Planet Auroras

The Hope orbiter, built by the United Arab Emirates, was able to use its scientific instruments…

A Black Hole Feasted on a Neutron Star. 10 Days Later, It Happened Again.

Astronomers had long suspected that collisions between black holes and dead stars occurred, but they had…

A Black Hole-Neutron Star Collision Has Finally Been Detected

Astronomers had long looked for signs of such a merger, and now they’ve spotted two. …

The Largest Comet Ever Found Is Making Its Move Into a Sky Near You

By 2031, you may be able to spot the icy object in night skies with a…

U.S. Has No Explanation for U.F.O.s, Does Not Rule Out Aliens

A new government report is likely to fuel theories about unexplained aerial phenomena. Click…

Venus Lacks Plate Tectonics. But It Has Something Much More Quirky.

Scientists say giant slices of rock may move across the surface of Earth’s closest neighbor like…

How to Photograph the Moon

Use a camera with manual controls and a zoom lens. When shooting something so far away,…

Why Geology Is Our Destiny

A visit to the renovated hall of gems and minerals at the American Museum of Natural…

As Astronauts Dock, China Takes Up Long-Term Residence in Orbit

Three Chinese astronauts arrived on Thursday to help build their country’s rival to the International Space…

Betelgeuse Merely Burped, Astronomers Conclude

The dramatic dimming of the red supergiant in 2019 was the product of dust, not a…