SUNSET: 
Rubin Observatory Sends 800,000 Alerts to Astronomers — Per Night
The Vera Rubin Observatory is seeing 800,000 astronomical alerts per night — and that number will only increase.
The Schmidt System: Four New Observatories in the Next Three Years
Schmidt Sciences has unveiled details on four ambitious observatories to monitor the dynamic cosmos, with data from all four expected by 2029.
Thirty Meter Telescope Considers Move to Spain
Spain’s offer to host the powerful observatory, mired in funding obstacles and local controversies, might promise a new path forward.
Vera C. Rubin Observatory Releases Long-Awaited First Photos
We're now seeing the first images after years of effort and frantic last-minute fixes that pushed the new observatory to completion.
Swim Through Images from NASA's SPHEREx Observatory
Images from a unique new space observatory are in, showcasing its potential for exploring the universe near and far.
The Extremely Large Telescope: Our Biggest Eye on the Sky
Sky & Telescope's Govert Schilling visits what will be the world's most powerful optical telescope — the Extremely Large Telescope in Chile.
Vera Rubin Observatory: Astronomy’s New Workhorse
In February 2025, Sky & Telescope contributing editor Govert Schilling visited three new astronomical observatories in northern Chile. This is the second of a three-part blog series.
60-second Astro News: Black Holes and Funding Woes
In this week’s roundup, astronomers wait for a decision about their next-generation megascopes, wonder if big black holes hibernated early on, and find a stellar binary in a challenging environment.
Arecibo’s Powerful Radar May Have Contributed to the Telescope’s Demise
The Arecibo Observatory’s radar system may have produced currents that weakened the zinc sockets holding the cables in place, new report says.
SOFIA Airborne Observatory Has Taken Its Final Flight
The flying observatory has been grounded due to its lofty price-tag and questionable productivity, causing an outcry among astronomers
Webb's Dazzling Views of the Orion Nebula
The James Webb Space Telescope has provided its first views of the Orion Nebula, revealing infant stars and the filaments that feed them.
Hubble's Future in the Webb Era
Even though it's far past its warranty, Hubble is still proving its worth in this new era that includes the James Webb Space Telescope.
What We See in the First Science Images from the James Webb Space Telescope
The James Webb Space Telescope released its first science images today. Here's what these images show us.
What the James Webb Space Telescope's First Year Will Reveal
The James Webb Space Telescope's first year of observations promises to reveal exoplanet atmospheres and surfaces, infant galaxies, and maybe even the first black holes.
Wildfire Threatens Kitt Peak National Observatory
The Contreras wildfire has been threatening the historic Kitt Peak National Observatory in southern Arizona.
Is “Slow Science” the Answer to Astronomy's Carbon Footprint?
The first quantitative assessment of professional telescopes’ carbon footprint finds that these facilities contribute more emissions than all other astronomy research activities combined.
What Will the James Webb Space Telescope Uncover?
The soon-to-be-launched James Webb Space Telescope should shed light on exoplanet atmospheres and peer back to the universe's first stars.
NASA's Hubble Space Telescope Is Back in Action
After a tense month, the Hubble Space Telescope resumed operations this past weekend.
Arecibo's To-be-determined Future
As cleanup operations are underway at Arecibo Observatory in Puerto Rico, some scientists are proposing a replacement for the esteemed radio dish.
Green Bank Tests New Planetary Radar
A newly installed planetary radar system on the Green Bank Radio Telescope will probe the solar system in detail.
