Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

Look west just after sunset from this weekend for a chance to see some of six planets, though the best views will be had ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Last year, the night sky provided us with not one but two beautiful planetary parades. The snag for the six-planet parade of August is that it happened before dawn. Very inconsiderate for those of us ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

But unlike Jupiter, Venus does have phases, going from not illuminated at all (when it is between the Earth and the Sun) to ...

From dazzling Jupiter high in the evening sky to elusive Mercury low at sunset, February 2026 offers one of the year's best ...

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

The planets around a nearby star seem to be in the wrong order, hinting that they formed through a different mechanism than the familiar one by which most systems grow ...

Light pollution won't significantly hinder viewing, but clouds can be problematic, so clear skies are essential.

Find out what's up in your night sky during February 2026 and how to see it in this Space.com stargazing guide.

Celestial spectacle will be at its most impressive on 28 February, when Mercury, Venus, Jupiter, Saturn, Uranus and Neptune will align across the sky ...