New telescope observations reveal structural features never documented in any known celestial object The morphology defies conventional understanding. The forward anti-tail persists where physics says ...

The night sky will show a rare alignment of planets in the night sky, with Venus and Mercury visible the morning of Tuesday, Nov. 25.

Wausau Pilot & Review Central Wisconsin skywatchers will have plenty to enjoy in the coming days, from Uranus at peak ...

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

A medieval Oxford friar’s challenge to ancient science has been confirmed by modern telescopes, proving the stars are made of the same elements as Earth.

A coronal mass ejection from a distant star has been confirmed for the first time, raising questions about how such events could impact exoplanet habitability ...

SEATTLE — November's episode of Sky Above features Keith Krumm to discuss what’s happening in the sky this month, including another supermoon, a meteor show and interstellar visitors. A new guest, ...

On October 18, the predawn sky features a close celestial alignment of the Moon and Venus within the constellation Virgo. Venus appears as a magnitude -3.9 object, exhibiting a 94% illuminated gibbous ...

A hidden population of asteroids sharing Venus' orbit could threaten Earth in a few thousand years, and we might not even see them coming without better telescopes. These so-called Venus co-orbital ...

A celestial conjunction featuring the moon, Venus, and the star Regulus will be visible on Friday, Sept. 19. This event will be bright enough to be seen without a telescope, though clouds could ...

A celestial conjunction featuring the moon, Venus, and the star Regulus will be visible on Friday, Sept. 19. This event will be bright enough to be seen without a telescope, though clouds could ...