The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

At the peak of the April Lyrids, you should be able to see around 10 to 15 meteors per hour, especially if you have a spot ...

A rare celestial event is set to dazzle skywatchers this month as a once-in-170,000-years comet nears peak visibility.Comet C ...

Sky This Week is brought to you in part by Celestron. Friday, April 17New Moon occurs at 7:52 A.M. EDT. Spring is often ...

Students discovered an ultra-ancient star with almost no heavy elements, making it one of the most pristine ever found.

For 140 years, the Ballarat Municipal Observatory in Mount Pleasant has kept its telescopes trained on the night sky, ...

Comet C/2025 R3 is already drawing attention—and offers a rare chance to understand what separates an ordinary comet from a ...

Scientists rely on two methods to measure the expansion of the universe: extrapolating from Cosmic Microwave Background (CMB) ...

Comet C/2025 R3 is already drawing attention—and offers a rare chance to understand what separates an ordinary comet from a ...

Next week, the NASA Goddard Space Flight Center will be unveiling its newest space telescope: the Nancy Grace Roman Space ...

SN 2025mkn is a Type II supernova and it wasn't supposed to be visible at all. The violent death of a massive star that had ...