Space News & Blog Articles

Astronomers have identified the origin of a mysterious flash that occurred three years ago.

Comet Leonard switches from low in the dawn to low in the dusk this week; you'll need those binocs. The Venus-Saturn-Jupiter line slides westward. And the high full moon of December rides across the sky in Taurus, at the top of the ecliptic.

Sky & Telescope and friends report on the total solar eclipse that occurred over Antarctica earlier this week.

The Imaging X-ray Polarimetry Explorer will shed new light on energetic and enigmatic sources such as magnetars, supernovae, and black holes.

At first glance, the annual Geminid meteor shower appears to be on a collision course with a bright Moon. But a closer look reveals a happy window of dark skies.

Astronomers have imaged a giant planet around a massive pair of stars, a discovery that challenges our notions of how planets form.

A satellite galaxy dwarfed by the Milky Way has a black hole nearly as massive as the one at the center of our galaxy.

Galaxy clusters take eons to collide. Now, astronomers have caught a pair of merging clusters in an in-between stage never seen before.

NASA will end support for the International Space Station by 2030, transitioning low-Earth orbit to commercial operations.

New research may explain why satellite galaxies align themselves around the Milky Way

The year's brightest comet is now on display in the predawn sky this week and next. Here's how to find it.

The crescent Moon at dusk hangs under Venus, then Saturn, then Jupiter. Comet Leonard is at its best before dawn. And welcome in, Orion!

Astronomers have observed a pair of supermassive black holes set to collide in 250 million years.

December’s solstice brings the longest northern nights, and it’s a busy month for stargazers: the Geminid meteors, a visit from Comet Leonard, and a plethora of bright stars and constellations.

Proxima Centauri is the dimmest and smallest of the Alpha Centauri system, but it has the honor of being the nearest star.

Astronomers have watched a jet launch from a stellar-mass black hole inside the Milky Way.

Hi Alan, Here's my observation of NGC 1647 with the unaided eye. We do live in a semi-arid area, the southern Okanagan Valley of British Columbia, but my backyard is […]

While the Jupiter-Saturn-Venus line keeps shrinking, all kinds of deep-sky sights, naked-eye to telescopic, show themselves on these moonless evenings.

The first-ever planetary defense mission is now on its way to the asteroid Didymos and its moon, Dimorphos.

Small telescopes can reel in some big ones in the constellation Cetus, the Whale.

The Solar Orbiter mission will fly past Earth Friday night, setting up a dramatic sunward plunge.