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

Gas giants possibly developed slowly in the solar system. They developed cores layer by layer within a disk of ice and dust ...

Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets of worlds we may never see directly.

Before skywatchers begin their countdown for the brief planetary alignment expected next month, some astronomical debunking has proved there may be less of a sky show after all. In the early morning ...

To better understand why the planets have variable compositions, we have to first understand the process of how stars form. While the composition of gas and dust in a precursor molecular cloud is ...

General relativity helps explain the lack of planets around tight binary stars by driving orbital resonances that eject or destroy close-in worlds. This process naturally creates a “desert” of ...

A seven-luminaries-deep parade of planets will line up and light up the night sky this week, folks. Just after sunset on Feb. 28, 2025, Venus, Mars, Mercury, Jupiter, Saturn, Uranus and Neptune will ...