Sky & Telescope Magazine

Astronomer and comet-hunter Alan Hale passed away on Saturday, June 6th, at 67 years old in his home in Cloudcroft, New Mexico.

The post Alan Hale (1958-2026) appeared first on Sky & Telescope.

The satellites being launched by Amazon are brighter than IAU-recommended limits — which means they'll interfere with astronomy.

The post Amazon's Satellites Are Impacting Astronomy appeared first on Sky & Telescope.

Astronomers have released the newest list of gravitational-wave detections, almost doubling the number of known signals from colliding black holes.

The post Gravitational-Wave Detections Surge with Latest Release appeared first on Sky & Telescope.

Bright Venus and Jupiter pass through conjunction in twilight this week, while Mercury, Pollux, and Castor watch them from nearby.

The post This Week's Sky at a Glance, June 5 – 14 appeared first on Sky & Telescope.

The Office of Management and Budget envisions diminishing peer review and international collaborations.

The post Proposed U.S. Grant Funding Rules Spark Worry, Backlash in Astronomy appeared first on Sky & Telescope.

A geomagnetic storm expected June 4th arrived late. But there's still at chance of seeing auroras Friday night, June 5th.

The post Chance of Aurora Extends to Friday Night, June 5th appeared first on Sky & Telescope.

The true origins of some globular clusters can give you a new perspective when you're viewing them through your telescope.

The post A Globular Season Surprise appeared first on Sky & Telescope.

A beautiful conjunction is coming, and all you need are your eyes to enjoy it.

The post Venus, Jupiter Converge in Stunning June 9th Dusk Conjunction appeared first on Sky & Telescope.

NASA has announced that, after six months of trying to recover the MAVEN mission at Mars, they are saying goodbye.

The post Mars MAVEN Mission Lost; NASA Says Farewell appeared first on Sky & Telescope.

This month’s episode highlights the close pairing of Venus and Jupiter under way in the western sky after sunset. You'll also learn why astronomers are fixated on a star in Corona Borealis — and how to find a huge but dim constellation that will likely be new to you. So grab curiosity and come along on this month’s Sky Tour.

The post June Podcast: Dance of the Planets appeared first on Sky & Telescope.

Rovers, drones, and landers will usher in a sustained lunar presence, under the new plan NASA announced this week.

The post NASA Brings Its Lunar Ambitions into Focus with Moon Base Missions appeared first on Sky & Telescope.

Reanalysis shows that the Hubble Space Telescope's detection of water vapor escaping from Jupiter’s moon Europa might have been a glitch.

The post Evidence of Water Plumes from Jupiter's Moon Europa Vanishes appeared first on Sky & Telescope.

Venus and Jupiter grab your eyes in the west in late twilight. The Summer Triangle marks the dark in the east. So will the subtler Milky Way once the glary Moon is gone.

The post This Week's Sky at a Glance, May 29 – June 7 appeared first on Sky & Telescope.

The two brightest planets in our sky will be less than 2 degrees apart on June 9th at sunset.

The post Close Encounter: Jupiter and Venus appeared first on Sky & Telescope.

I share my "discovery" of a new Milky Way star cloud that's been staring at me for ages.

The post Lost in the Star Clouds — A Milky Way Odyssey appeared first on Sky & Telescope.

NASA’s Psyche asteroid mission made a course adjustment via a flyby past Mars en route to its final destination. Here's what it saw.

The post NASA's Psyche Sends Back Amazing Images of Mars appeared first on Sky & Telescope.

Venus and Jupiter — the Evening Star and the False Evening Star — draw closer together in the western twilight and point down to Mercury. The waxing Moon shows off its rich telescopic detail.

The post This Week's Sky at a Glance, May 22 – 31 appeared first on Sky & Telescope.

New research suggests that Triton — or a Triton-like object — might have disrupted Neptune's original moon system. Nereid might be the sole survivor.

The post Nereid Could be Neptune’s Only Original Moon appeared first on Sky & Telescope.

For most of human history, the sky was not something we studied — it was something we lived with.

The post Stonehenge and the Geometry of the Sky appeared first on Sky & Telescope.

A new model explains how Ganymede got its molten core — which in turn has given Jupiter's largest moon its magnetic field.

The post How Jupiter’s Moon Ganymede Melted Its Core appeared first on Sky & Telescope.