The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner. Analysis of cosmological simulations published in Nature Astronomy reveal that ...

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

For the best chance of watching the spectacular northern lights, many head to areas around the Arctic, such as Norway, ...

Looking for a really big story, I naturally headed for "Galaxies in Collision." Bradley Whitmore of the Space Telescope Science Institute in Baltimore brought us up to speed. We've known for a ...

The attack on NASA is particularly focused on research into climate change and continues the trend, under both Republicans ...

Tromso sits at the centre of the northern lights’ oval, meaning that the lights can be visible even when activity is low.

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...

Astronomers are applying new image-processing techniques to previously released Hubble observations in honor of the space ...

A team has revealed new insights into the motion of massive stars in the Small Magellanic Cloud (SMC), a small galaxy neighboring the Milky Way. Their findings suggest that the gravitational pull of ...

Astronomers from Swinburne University in Australia and elsewhere have employed the Keck II telescope to investigate the ...