Space News & Blog Articles

Ad astra per aspera — to the stars through hardship. The saying applies universally, but personally, it might hit home in different ways.

The Lucy mission's flyby of the main-belt asteroid Dinkinesh resulted in a surprise — yet another asteroid moon!

The Great Square, now upright, guides your way down to Fomalhaut and Diphda and, farther down, Alpha Phoenicis – a chance to add a new constellation to your life list.
And plan to catch the Moon-Venus pairing in early dawn on the 9th.

A "smoking gun" for the ancient calamity that formed Earth’s large Moon may still exist deep in the mantle of our planet.

A new forecast suggests that sunspot numbers, aurorae, and other solar activity will peak sooner and at a higher level than expected.

Alien invasion or flares from satellites in multiple orbits? It depends on your point of view. We also check in on Comet Lemmon, poised to possibly reach binocular-visibility.

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!

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

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

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

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

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,

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

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!

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.

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

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

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.

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

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.

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