It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

Researchers said on Thursday that they had discovered twin-lobed radio jets they suspect were formed when the universe was 1.2 billion years old, stretching at least twice the length of the Milky Way ...

The rare astronomical event will see Mars, Jupiter, Uranus, Venus, Neptune, Mercury and Saturn appear at the same time, ...

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

Jupiter and Mars will appear to make ultraclose approaches to the moon on two nights this week. Here's how to get the best ...

A person shines a flashlight into the night sky on Feb. 3, 2025. (Photo by Patrick Pleul/picture alliance via Getty Images) Social media has been abuzz about the ongoing alignment of planets, with ...

The current exoplanet census contains 5,832 confirmed candidates, with more than 7,500 still awaiting confirmation. Of those that have been confirmed, most have been gas giants ranging from ...

As planets pass in front of their parent stars as viewed from Earth, they cause a tiny dip in the amount of starlight we ...

Understanding how and when Earth, Jupiter, other planets in the Solar System, and numerous exoplanets formed within our ...

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...

Their research reveals which Earthly 'technosignatures' would be easiest to detect from a planet across the galaxy.