Feed aggregator

It sneaks up on us, every annual flip of the calendar into the new year. If skies are clear, keep an eye out for the brief but strong Quadrantid meteors this weekend. The Quadrantids or ‘Quads’ have a brief but strong annual peak just after New Year’s Day. This also makes the shower notoriously elusive for observers.

Size matters when it comes to telescopes. The bigger they are, the farther they can see. Prioritizing constructing large ones is therefore high on the priority list for many observational organizations. But doing so comes at a cost, and not just in terms of money. Finding a suitable site can be a challenge, and that has been particularly true for the effort to build a 30-meter telescope in the Northern hemisphere. A new paper, available in pre-print on arXiv by Francesco Coti Zelati of the Spanish Institute of Space Sciences in Barcelona and his co-authors, makes the argument for building it at the Roque de los Muchachos Observatory in La Palma.

Astronomers were puzzled by a black hole around 50 million times the mass of the sun with no stars, spotted by the James Webb Space Telescope – now simulations suggest it could be a primordial black hole, something we have never seen before

Astronomers were puzzled by a black hole around 50 million times the mass of the sun with no stars, spotted by the James Webb Space Telescope – now simulations suggest it could be a primordial black hole, something we have never seen before

These birds’ drilling approach is more like extreme tennis playing than weight lifting

The “Seven Sisters” of the Pleiades are part of a much larger complex that can help reveal our galaxy’s deep history

The bright Moon shines over Jupiter, Pollux and Castor on Friday evening the 2nd, then
groups right up among them on Saturday the 3rd.

The post This Week's Sky at a Glance, January 2 – 11 appeared first on Sky & Telescope.

Image: A neighbouring vista of stellar birth

The New Scientist Book Club has just finished our December read, Iain M. Banks's sci-fi novel The Player of Games - and most of us were fans of this big-thinking Culture tale

The New Scientist Book Club has just finished our December read, Iain M. Banks's sci-fi novel The Player of Games - and most of us were fans of this big-thinking Culture tale

The author of the award-winning science fiction novel Annie Bot, the January read for the New Scientist Book Club, on how she created her startling protagonist

The author of the award-winning science fiction novel Annie Bot, the January read for the New Scientist Book Club, on how she created her startling protagonist

In this extract from the award-winning science fiction novel Annie Bot, the January read for the New Scientist Book Club, we are introduced to Sierra Greer's protagonist, a sex robot called Annie

In this extract from the award-winning science fiction novel Annie Bot, the January read for the New Scientist Book Club, we are introduced to Sierra Greer's protagonist, a sex robot called Annie

A woman's body has been found to consist of varying proportions of male and female cells because of an extremely rare form of chimerism

A woman's body has been found to consist of varying proportions of male and female cells because of an extremely rare form of chimerism

The Atacama Millimeter/Submillimeter Array (ALMA), the world's most powerful radio telescope, has received 145 new low-noise amplifiers (LNAs) that will increase its range and sensitivity.

The Quadrantids and Eta Aquariids will have Moon trouble in 2026, but the beloved Perseids and Geminids should be glorious.

The post The Best Meteor Showers in 2026 appeared first on Sky & Telescope.

For the first time, astronomers have caught a stellar nursery in the act of blowing giant celestial bubbles, revealing a massive outflow of gas stretching over 650 light-years from one of the Milky Way’s most extraordinary star clusters. Using nearly two decades of data from NASA’s Fermi Gamma-ray Space Telescope, researchers traced this budding stream of supercharged particles as it expands beneath our Galaxy’s disk, offering crucial insights into how young, massive stars shape galactic evolution.

Lunar dust poses one of the most persistent challenges for spacecraft operations on the Moon, clinging stubbornly to surfaces and infiltrating equipment with potentially devastating consequences. Now, researchers have developed a comprehensive mathematical model that reveals exactly how electrically charged dust particles behave when they collide with spacecraft at low speeds, uncovering surprising insights about what makes them stick and what allows them to bounce away.