Astronomy

Researchers have proposed a more accurate way to calculate the global surface air temperature, which suggests we are just three years away from breaching the 1.5°C climate goal

Researchers have proposed a more accurate way to calculate the global surface air temperature, which suggests we are just three years away from breaching the 1.5°C climate goal

A new study debates the complex ethical questions that must be considered if we're to terraform Mars and lays the blueprint for a potential path forward.

Behold one of the most photogenic regions of the night sky, captured impressively.

What’s happening in the center of spiral galaxy NGC 2566?

After the success of Prey, Predator returns to the big screen with Predator: Badlands, a new theatrical movie set in the far future on another world.

Auroras may be visible from Alaska to Pennsylvania as Earth reverberates from the impact of a speedy solar storm.

Ncuti Gatwa's shock regeneration is followed by an even bigger surprise as the show welcomes back a popular star of TARDIS past. BEWARE! Spoilers ahead!

Northern lights may once again be visible deep into mid latitudes tonight as geomagnetic storm conditions continue to wreak havoc with Earth's magnetic field.

Jupiter is stranger than we knew.

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.

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.

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.

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.

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.

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.

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.

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.

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.

"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.