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 ...

Venus, with a magnitude of -4.1, is currently visible below the Pleiades star cluster (M45) in the pre-dawn eastern sky. Venus is approaching Aldebaran (magnitude 0.9), a star in the Hyades cluster, ...

After briefly escaping from Earth's view during a (very) close approach to the sun on Oct. 30, Comet 3I/ATLAS can finally be ...

November's Sky Above episode features a supermoon, meteor shower, and interstellar comet, with experts discussing these ...

NASA confirms comet 3I/ATLAS, a rare interstellar visitor, will safely pass the Sun and Venus in late 2025, offering ...

Early risers are in for a spectacular show next week, when Jupiter, Venus and Mercury form a planetary lineup in the predawn sky on Sept. 1. Look above the eastern horizon in the hours preceding dawn ...

Two weeks ago, it was hidden behind the Sun, far out of sight. Last week, it reached perihelion, the closest point it will ...

A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...

Interstellar comet 3I/ATLAS becomes visible from Earth after passing perihelion in late October, 2025. The comet can be ...

The moon-planet-star trio are among the brightest objects in our solar system, meaning the impending conjunction should be incredibly easy to spot. A conjunction is an astronomical event in which at ...

On October 17th, early morning observations of Jupiter will feature transits of Io's and Europa's shadows across its cloud tops, with specific timings varying by time zone. A telescopic view of ...