Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in ...

When is the next new moon?The next new moon occurs on Oct. 21, at 8:25 a.m. EDT (1225 GMT).A new moon occurs when the moon is directly between Earth and the sun, with its shadowed side pointing ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

A rare partial solar eclipse today, September 21, 2025. Here’s when, where and how to watch it safely, plus upcoming solar eclipses.

A new moon is when the moon shares the same celestial longitude as the sun; the two bodies are said to be in conjunction.

Scientists have used the Gaia Space Telescope to create a 3D map of star kindergartens within the Milky Way, and you can fly through it.

A partial solar eclipse happens Sunday in parts of the Southern Hemisphere. Saturn will also appear at its brightest, with Earth directly between it and the sun.

TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

This weekend's September new moon will rise amid a partial solar eclipse, giving way to the autumnal equinox. Here's when, ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

Science is irrefutable. It is a field in which one must go with surgical precision and to achieve a minimum advance is already a synonym of success. Depending on the field in which ...

NASA spotted a new moon almost at the border of our solar system. Back in 1986, a theory came up that this cosmic body could ...