Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to ...

The double star system is called HD 135344 AB and it's about 440 light-years away from Earth. A and B are both young stars, ...

Astronomers are preparing to study a dwarf planet that last came near Earth 11,000 years ago. Sedna is moving closer to the Sun, and this has intrigued experts who are eager to learn about the distant ...

This evening’s viewing challenge is the planet Mercury. It is less than half a fist above the west-northwestern horizon at ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

The constellation Lyra is faint, but it contains Vega, one of the brightest stars in our Butler night sky. As soon as it gets ...