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EXPLAINED: 2 | Rare Historical Photos

Watch the moon hide the 'Seven Sisters' of the Pleiades star cluster tonight

The moon will pass in front of the Pleiades star cluster during an occultation on Jan. 9, 2025. Here's how to see it.

Space

Saturn and the moon put on a celestial show Sunday night. Here's how to see it

Saturn gets close to the moon tonight, and some skywatchers in Florida, Central America and South America will see the ringed planet briefly disappear behind our lunar companion.

Space

A star exploded almost 1000 years ago and left us with the gorgeous Crab Nebula. Here's how to see it

To see the Crab Nebula for yourself, you'll have to wait until around midnight local daylight time, after it has sufficiently risen high enough above the east-northeast horizon.

Space

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'It was 3 hours of magic': Spectacular auroras thrill stargazers across the world (and internet) as intense geomagnetic storm batters Earth (photos)

A powerful geomagnetic storm illuminated auroras that lit the skies over Earth on Thursday (Oct. 9) after X 2 solar flare that erupted from the sunspot AR 3848 on Tuesday (Oct. 8) evening.

Space

Watch spectacular Comet Tsuchinshan-ATLAS rise during the early hours of Sept. 28 with this free livestream

Comet C/2023 A3 Tsuchinshan-ATLAS will reach perihelion — and if it survives its close call with the sun, we may be in for a real treat.

Space

Comet Tsuchinshan-ATLAS may dazzle this weekend. But is the best yet to come?

Comet Tsuchinshan-ATLAS will have a close encounter with the sun today (Sept. 27) here's how to make the most of comet viewing opportunities this weekend and beyond.

Space

Comet Tsuchinshan-ATLAS nears the sun this month. Will it be visible to the naked eye?

Comet Tsuchinshan-ATLAS will sweep around the sun on Sept. 27 to make a brief foray into the morning sky. Will it be a bright naked-eye object with a significant tail? Here's where and when you might be able to see it.

Space

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Is the Sagittarius constellation a teapot or an archer?

Although officially known as the celestial archer, the zodiacal constellation of Sagittarius is far better recognized as a teapot. Here's how to see it this season.

Space

Don't miss the 'unconventional' Supermoon Blue Moon tonight

This months' full moon falls on Aug. 19 and it will be the only full moon of August 2024. So how can we call it a "Blue Moon?"

Space

The original 'Mr. Eclipse:' How a 19th-century astronomer calculated the dates of over 13,000 eclipses

For nearly a century, the 1887 book "Canon of Eclipses" was considered to be the authoritative work on solar and lunar eclipses.

Space

Watch 'Devil Comet' approach the sun during explosive coronal mass ejection (video)

This NASA space-based observatory video shows 'Devil Comet' 12P/Pons-Brooks passing past bright Jupiter while the sun explodes in the distance.

Space

'Devil Comet' 12P/Pons-Brooks is heading for the sun. Will it survive?

'Devil Comet' 12P/Pons-Brooks is hurtling toward the sun where it will make its closest approach on April 21. We take a look at whether this celestial vagabond will survive.

Space

This Week In Space podcast: Episode 105 — Apoc-eclipse 2024!

On Episode 105 of This Week In Space, Rod and Tariq talk with astronomer and meteorologist Joe Rao about the solar eclipse of 2024.

Space

The April 8 solar eclipse will bring weird sights, sounds and feelings

As the skies darken during the total solar eclipse on Monday (April 8), onlookers in the path of totality will experience a wave of strange phenomena that could confuse and delight them.

Space

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Space

Will the 2024 total solar eclipse be visible from space?

ISS astronauts and satellites will have a bird's-eye view of the April 8 total solar eclipse, which will thrill skywatchers across North America.

Space

Why ISS astronauts won't know where to look for next total solar eclipse for a while

NASA can usually give precise directions to astronauts about ISS activities. But when it comes to the next total solar eclipse, a paradox may create some issues.

Space

Watch red supergiant star Antares pass behind the moon early on Jan. 8

On Monday, Jan. 8, the waning crescent moon will occult the 1st-magnitude red supergiant star Antares, one of the brightest stars in the sky.

Space

The Geminid meteor shower peaks tonight. Here's what weather you can expect in the US

About half of the contiguous (48) states will have clear, starry skies — a perfect backdrop for watching this very best of the year's principal meteor displays, the Geminid Meteor Shower.

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Space

Halley's Comet begins its 38-year journey back toward Earth tonight

On Friday, Dec. 8, Halley's Comet reaches its farthest point from the sun and begins its journey back through the solar system.

Space

Annular solar eclipse February 2026: Live updates

The next solar eclipse will be on Feb. 17, 2026.

Space

Will newfound Comet Nishimura really be visible to the naked eye? Experts aren't so sure

While social media has been abuzz with talk of new Comet Nishimura being visible to the naked eye in September, experts aren't so sure.

Space

SpaceX Crew-11 mission to the ISS: Live updates

Read the latest news about SpaceX's Crew-11 mission to the International Space Station.

Space

What's it like to have an asteroid named after you? Our night sky columnist Joe Rao explains

Space.com's night sky columnist Joe Rao explains what it was like to have asteroid 200009 Joerao named after him for his many years of astronomy outreach with the general public.

LiveScience

Watch the biggest supernova in 10 years explode tonight on this free telescope livestream

A newly discovered supernova can be watched as it develops in real-time online and for free. The livestream will begin at 6:30 p.m. EDT (2230 GMT) on Friday, May 26.

Space

Watch a new supernova explode on May 25 with free telescope livestream

A newly discovered supernova can be watched as it develops in real-time online and for free. The livestream will begin at 6:00 p.m. EDT (2200 GMT) on Thursday, May 25.

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