Space News & Blog Articles

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November Podcast: Horse, Dolphin, Arrow, and Fish

With Jupiter and Saturn leading the way each evening, you can use this month’s Sky Tour podcast to track down some lesser-known constellations — and the most distant celestial object that you can see with just your eyes!

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Dead Stars Come to Life This Halloween

The ghostly lights from two dead stars have stories to tell.

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AAS Quasquicentennial: Celebrating 125 Years in 2024

The American Astronomical Society is celebrating its 125th anniversary. Visit the AAS site to learn more about this exciting milestone.

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  88 Hits

Black Hole Rain

The planned LISA gravitational-wave detector might discover a shower of hundreds of small black holes falling in galactic centers.

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Ghost-like Galaxy Defies Dark Matter Model

Astronomers have discovered a large but very dim ghost-like galaxy. Its existence challenges our notions of dark matter.

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This Week's Sky at a Glance, October 27 – November 5

The full Moon on October 28th shines near full Jupiter at opposition this week. Telescopically, Jupiter this week is as big as you'll ever see it,

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Marsquake Reveals Molten Layer Above Martian Core

An impact far from NASA's Insight lander on Mars set off seismic waves that revealed new details about the Martian interior.

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A Windy and Wonderful Icelandic Aurora Adventure

Sky & Telescope’s recent tour to Iceland explored all the island’s sights — and kept S&T’s record at a solid nine for nine for seeing auroras!

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Largest-ever Computer Simulation of the Universe

The Flamingo simulations are not only the largest but also the most all-encompassing simulations of the universe, from 13.75 billion years ago to today.

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Striking New Views of Jupiter and Its Moon Io

The James Webb Space Telescope and Juno mission turned their eyes to Jupiter and its volcanic moon Io, revealing fine details.

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Radio Burst Breaks Distance Record, Challenges Theories

A highly energetic fast radio burst, which broke the distance record, provides a crucial test for theories of these events' origins.

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A New Hope? Taming the Satellite Swarm

Going by the paperwork, 1 million satellites are headed for the skies. The question is, how many of these are real? New policy may help stem the tide.

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This Week's Sky at a Glance, October 20 – 29

The waxing Moon in the evening sky visits Saturn, then Jupiter. And as Halloween approaches, Arcturus becomes the Ghost of Summer Suns.

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Orionid Meteors Fly; Two Moons Shadow Jupiter

Bundle up and enjoy the Orionid meteor shower under moonless skies this week. Don't miss the warm-up act, either, when two of Jupiter's moons pair up in a captivating double-shadow transit.

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Unearthing a Solar Storm in Ancient Alpine Trees

Ancient pine trees hold the record of an atmospheric event 14,373 years ago. The only known explanation is a massive solar storm.

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Annular Solar Eclipse Dazzles Watchers Across North America

The weekend's solar eclipse dazzled observers throughout the U.S. and Mexico. Sky & Telescope editors and contributing editors report.

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Psyche Mission Is on the Way to Psyche, the Asteroid

The Psyche mission launched today, on its way to rendezvous with the asteroid of the same name in 2029.

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This Week's Sky at a Glance, October 13 – 22

The week's big event is the Moon stepping on the Sun on Saturday the 14th. But the Moon's not done. Several days later it steps squarely on the handle of the Sagittarius Teapot, then on Herman's Cross. Show-off.

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Two Worlds Have Ended in a Planetary Collision — and a New One Has Begun

A star's sudden brightening and, two years later, its sudden dimming point to a cataclysmic collision between two large worlds.

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Where to Watch the October 14th Annular Solar Eclipse Online

If you can't see the annular solar eclipse in person, we've got some online viewing opportunities for you.

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  220 Hits

Hubble Telescope Witnessed Intergalactic Flash of Light

An explosive flash of blue light briefly appeared in intergalactic space, thousands of light-years from the nearest galaxy.

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