This week marks the last chance for backyard astronomers to see interstellar Comet 3I/ATLAS before it races on its journey ...

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. M31, the Andromeda Galaxy, is one of the most spectacular ...

Blink and you might miss your chance to see this once-in-a-lifetime comet. Here's how to make sure you catch a glimpse. When you think about once-in-a-lifetime events, you probably think of weddings, ...

The 2024 total solar eclipse path traverses the U.S., beginning in the Pacific Ocean at 12:39 p.m. EDT and concluding in the North Atlantic Ocean at 3:55 p.m. EDT, with a total duration of 3 hours, 16 ...

Although the Ursids are active from Dec. 13 through Dec. 26, the peak night coincides with the winter solstice, which occurs at 10:03 a.m. EST on Dec. 21. Though the two events are totally unrelated, ...

The April 2024 total solar eclipse across North America is fast approaching! Being in the shadow of the Moon and taking in the incredible view of the Sun’s corona is an unforgettable experience.

The sun’s getting feisty. Our star is nearing (or even at) the peak in its magnetic cycle, which means lots of solar storms—such as the big one that lit up the skies with auroras in May—as well as ...

What exactly is observation, when does it start, and how does it develop? Here’s a big tip: The best observers are less-opinionated. If you operate with opinions, you observe to confirm or refute them ...