Saturn is about to make its closest approach to Earth, and that means you might be able to see its rings — if you have a telescope, that is.

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising to astronomers because most would predict the distant icy worlds to be ...

Earth has a number of mini-moons and quasi-moons. Mini-moons are objects that orbit our planet. But they make for fickle fans: They tend to swing around Earth for only a matter of months. One example ...

In a once-a-year event, Saturn is about to reach opposition, with the ringed planet appearing its best and brightest as it ...

In the quiet hours before sunrise, the sky becomes a canvas of cosmic artistry, where the moon and Venus share a fleeting, intimate moment with stargazers.

Stargazers in the U.S. will witness the razor-thin waning crescent moon rise close to Venus and the bright star Regulus in ...

With advance warning, however, steps can be taken to reduce the risks. If an electrical grid is running near capacity, for ...

Watch the crescent moon, Venus and the bright star Regulus align in a rare predawn close conjunction tomorrow.

Analysis by researchers at the University of Bern suggests that water and other volatile compounds arrived on Earth from ...

Faint hydrogen signals from the cosmic Dark Ages may soon help determine the mass of dark matter particles. Simulations suggest future Moon-based observatories could distinguish between warm and cold ...

To answer a question or ask a new one, email [email protected] Between 50,000 and 100,000 tonnes of light gases such ...

In its youth, the dwarf planet Ceres may have brewed a chemical banquet beneath its icy crust.