On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

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 ...

It is also simply not true that closing borders makes societies safer; Mendiola says only political will is needed for things to be different. But as more people than ever take to the streets in the U ...

6 planets will align in a 'planet parade' Saturday, Feb. 28, 2026, shortly after sunset. Here's which planets you might see and how to best view them.

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

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

Grab your telescope and join us on a sightseeing tour, before the moon returns to spoil the fun!

Scientists have identified a rocky outer planet in a system where a gas giant was expected. The discovery challenges ...

Close-up measurements from NASA’s Parker Solar Probe are giving scientists an unprecedented look at how the solar wind gains ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system. It’s an unprecedented ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

Discover how Moon transits and Aquarius planets influence Leo’s leadership, love, finances, and emotional balance this week.