"For the sage, time is only of significance in that within it the steps of becoming can unfold in clearest sequence."

— I Ching

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John Green on His New Nonfiction Book Everything Is Tuberculosis

Scientific American.com - Fri, 03/07/2025 - 7:00am

Novelist John Green talks about his new nonfiction book, Everything is Tuberculosis, and the inequities in treatment for the highly infectious disease.

Categories: Astronomy

Blackbird deaths point to looming West Nile virus threat in the UK

New Scientist Space - Cosmology - Fri, 03/07/2025 - 6:00am
Mosquito-borne diseases like West Nile virus could become a growing concern in the UK and other northern European nations as the climate warms, with a virus affecting blackbirds showing how these pathogens can take hold
Categories: Astronomy

ESA and GSMA Foundry empower industry to achieve seamless global connectivity

ESO Top News - Fri, 03/07/2025 - 6:00am

At MWC25 Barcelona, the European Space Agency (ESA) unveiled a funding initiative, promoted in partnership with GSMA Foundry, to support projects aimed at integrating satellite and terrestrial networks for seamless connectivity.

Categories: Astronomy

Earth from Space: Tirana, Albania

ESO Top News - Fri, 03/07/2025 - 5:00am
Image: The Copernicus Sentinel-2 mission takes us over Albania’s capital Tirana and its surroundings.
Categories: Astronomy

Status Report: Gravitational Waves

Sky & Telescope Magazine - Mon, 08/12/2024 - 8:00am

Astronomers at the International Astronomical Union report that we have now detected more than 200 gravitational-wave events, most the merger of two black holes.

The post Status Report: Gravitational Waves appeared first on Sky & Telescope.

Categories: Astronomy

Tonight's Perseid Meteor Shower May Be Dipped in Aurora Sauce

Sky & Telescope Magazine - Sun, 08/11/2024 - 7:15pm

The Perseids peak on Sunday night, August 11-12 and just might be joined by a colorful display of northern lights. 

The post Tonight's Perseid Meteor Shower May Be Dipped in Aurora Sauce appeared first on Sky & Telescope.

Categories: Astronomy

Woo-hoo — The Perseid Meteor Shower Is Coming!

Sky & Telescope Magazine - Fri, 08/09/2024 - 6:39am

It's time again for the annual August meteor-shower fest, the Perseids. This year's display should be a beauty with only minor moonlight and a special surprise at dawn.

The post Woo-hoo — The Perseid Meteor Shower Is Coming! appeared first on Sky & Telescope.

Categories: Astronomy

This Week's Sky at a Glance, August 9 – 18

Sky & Telescope Magazine - Fri, 08/09/2024 - 5:02am

The Perseid meteor shower peaks late Sunday night August 11th and maybe Monday night too. Jupiter and Mars have a close conjunction on the morning of the 14th, looking radically different in the same telescopic view.

The post This Week's Sky at a Glance, August 9 – 18 appeared first on Sky & Telescope.

Categories: Astronomy

Prepare for the Perseids and a Pretty Planetary Pairing

Sky & Telescope Magazine - Thu, 08/08/2024 - 10:20am

The year’s long-awaited Perseid meteor shower will be accompanied by a graceful planetary conjunction. It’s well worth staying up all night to watch.

The post Prepare for the Perseids and a Pretty Planetary Pairing appeared first on Sky & Telescope.

Categories: Astronomy

The Hubble Ultra-Deep Field, 15 Years Later

Sky & Telescope Magazine - Wed, 08/07/2024 - 4:05pm

Fifteen years ago, the Hubble Space Telescope gazed intently at the infrared glow of galaxies in a tiny fraction of the sky. New research shows how this patch of space has changed since then.

The post The Hubble Ultra-Deep Field, 15 Years Later appeared first on Sky & Telescope.

Categories: Astronomy

Neutron Stars Might Be Squishy Inside

Sky & Telescope Magazine - Tue, 08/06/2024 - 4:36pm

New data on the brightest pulsar observed with a telescope on the International Space Station suggests neutron star interiors are "squishy."

The post Neutron Stars Might Be Squishy Inside appeared first on Sky & Telescope.

Categories: Astronomy

Enroll in the School of Stars

Sky & Telescope Magazine - Mon, 08/05/2024 - 8:00am

Amateur astronomers are all life-long learners — and this "back to school" time of year provides just the right motivation.

The post Enroll in the School of Stars appeared first on Sky & Telescope.

Categories: Astronomy

This Week's Sky at a Glance, August 2 – 11

Sky & Telescope Magazine - Fri, 08/02/2024 - 4:42am

The Perseid meteors ramp up this week to their peak. Saturn is nicely up in the east by late evening. Jupiter and Mars near their conjunction in the morning sky. And there's a story behind Poniatowski's Bull.

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

Categories: Astronomy

Does This Mars Rock Show a "Potential Biosignature"? Or Just "Wet Chemistry"?

Sky & Telescope Magazine - Fri, 08/02/2024 - 1:22am

"Leopard spots" on a Mars rock could come from life — or they could simply be a sign of a type of chemical reaction that requires water.

The post Does This Mars Rock Show a "Potential Biosignature"? Or Just "Wet Chemistry"? appeared first on Sky & Telescope.

Categories: Astronomy

August Podcast: Nova Watch in the Northern Crown

Sky & Telescope Magazine - Thu, 08/01/2024 - 2:00am

Let’s go on a night-sky tour of the stars and planets that you’ll see overhead during August. Find a good seat for some great “shooting stars,” watch Saturn climb in the eastern sky in early evening, check out the summer's brightest stars, and start looking for a once-in-your-lifetime star blast. 

The post August Podcast: Nova Watch in the Northern Crown appeared first on Sky & Telescope.

Categories: Astronomy

Reading the Tea Leaves: The Future of the Hubble and Chandra Space Telescopes

Sky & Telescope Magazine - Wed, 07/31/2024 - 4:56pm

Future funding for NASA's remaining Great Observatories — Chandra X-ray Observatory and Hubble Space Telescope — is still up in the air.

The post Reading the Tea Leaves: The Future of the Hubble and Chandra Space Telescopes appeared first on Sky & Telescope.

Categories: Astronomy

David Crawford, 1931–2024

Sky & Telescope Magazine - Mon, 07/29/2024 - 5:42pm

A professional astronomer turned dark-sky champion, David L. Crawford became synonymous with the fight against light pollution around the world.

The post David Crawford, 1931–2024 appeared first on Sky & Telescope.

Categories: Astronomy

Neutron Star Eaten by Small Black Hole (Probably)

Sky & Telescope Magazine - Mon, 07/29/2024 - 3:07pm

Gravitational-wave astronomers have identified ripples in spacetime from the coalescence of a neutron star with what’s likely one of the smallest black holes ever found.

The post Neutron Star Eaten by Small Black Hole (Probably) appeared first on Sky & Telescope.

Categories: Astronomy

This Week's Sky at a Glance, July 26 – August 4

Sky & Telescope Magazine - Fri, 07/26/2024 - 4:40am

Very low in the west in bright twilight, have you picked up Venus yet? Binoculars help. Much tougher will be Mercury and Regulus. Their arrangement changes all week.

The post This Week's Sky at a Glance, July 26 – August 4 appeared first on Sky & Telescope.

Categories: Astronomy

Astronomers Find 21 “Dark” Neutron Stars Orbiting Sun-like Stars

Sky & Telescope Magazine - Thu, 07/25/2024 - 2:07pm

New analysis has revealed 21 Sun-like stars in mutual orbit around dark objects of neutron star–like masses — rare systems that have escaped destruction by supernova.

The post Astronomers Find 21 “Dark” Neutron Stars Orbiting Sun-like Stars appeared first on Sky & Telescope.

Categories: Astronomy