Space News & Blog Articles

Astronomers have tuned in to the celestial “songs” of two red giant stars to reveal their hidden histories — including a case of stellar cannibalism.

Now that Comet 3I/ATLAS has emerged from the Sun's glare, its behavior is being monitored by every available observatory.

Spain’s offer to host the powerful observatory, mired in funding obstacles and local controversies, might promise a new path forward.

Uranus is its closest to Earth all year on the night of November 21st, and you can find it easily in the evening sky using Sky & Telescope’s exclusive star chart.

Saturn's rings are now the closest to edge on that they'll get. The famous interstellar comet has become higher and easier for amateur telescopes before dawn.

The Pleiades star cluster is part of a much larger complex that stretches across the entire sky, a new study shows.

Watch an Oort Cloud comet disintegrate before your eyes. Meanwhile, interstellar intruder 3I/ATLAS is brighter than expected.

By exploring the edge of the solar system, astronomers have estimated how long our star stuck around its siblings after birth.

With the help of an intervening galaxy cluster, astronomers have found what might be the first generation of stars — but the jury's still out.

A small but unique mission to Mars is taking an innovative path to reach the Red Planet in late 2027.

Saturn's rings are turning as edge-on as we will see them for another 15 years. The planet awaits your scope high in the evening sky. Low in the dawn, the thin Moon approaches Venus.

Last night's aurora painted the sky in reds, greens and even oranges. It's expected to return tonight!

Saturn's as edgy as it'll get for the next 13 years. With special visual treats in store, here's what to keep eyes on the planet this month.

Sky & Telescope's Chile tour offered magnificent views of the southern sky, professional observatories, and one of the world’s most remarkable deserts.

The interstellar comet: Can you see it in your scope? Maybe you can, starting late this week as Comet 3I/ATLAS emerges from behind the Sun. If you have a large […]

The interstellar comet: Can you see it in your scope? Starting late this week as Comet 3I/ATLAS emerges from behind the Sun, maybe you can! If you have a large […]

This pintsized powerhouse takes images of the night sky that will surprise even seasoned astrophotographers.

Observing obstacles plague all amateur astronomers, but when the chance arises, we can still embrace unanticipated wonder.

The fast spin of small near-Earth asteroids suggests scientists need to revise their ideas about what holds these rocky bodies together.

Astronomers have found that star-forming galaxies in the early universe were far messier than modern-day disk galaxies.

Albert H. Nagler, a pioneer of telescope optics, passed away at the office of his company Tele Vue Optics on Monday, October 27th. He was 90 years old.