SUNSET: 
Do Explosive Bursts Heat the Sun’s Corona?
New evidence suggests that nanoflares, small but potent bursts of energy, might heat the Sun’s atmosphere. But not everybody’s convinced.
Nova Sagittarii: What a Long, Strange Fade It's Been
A 6th-magnitude nova erupted inside the Sagittarius Teapot and reached 4th magnitude. Now it has started fading.
Hubble Telescope's Silver Anniversary
It's been 25 years since the Space Shuttle Discovery lofted the Hubble Space Telescope into orbit. Yet astronomers were not unanimous in their enthusiasm for the project, as this debate from 1990 recalls.
Runaway Compact Galaxies?
Astronomers have discovered 195 compact elliptical galaxies, upping the known number of these weird galaxies sixfold.
Celebrate Astronomy Day: May 2, 2015!
April 25th is Spring Astronomy Day, when hundreds of organizations worldwide host special family-oriented events to showcase the wonder and excitement of the night sky.
Hubble Investigates Ghosts of Quasars Past
A galaxy-size blob of gas discovered eight years ago by a Dutch schoolteacher has galvanized the study of the spectral remains of once-bright quasars.
Lyrid Meteor Shower in 2015
Although typically weak, the annual Lyrid display will benefit from moonless skies. This year's peak, late on April 22nd, favors Europe over North America.
News and Views from NEAF
The Northeast Astronomy Forum (NEAF) is the world's largest astronomy trade show. As always, Sky & Telescope was there!
Amateurs Given David Dunlap Observatory
After serving as caretakers of Canada's largest telescope for years, volunteers from the RASC's Toronto club have been given the historic facility outright.
Ancient Galaxies Seen Dying Inside-Out
Astronomers have found massive galaxies 3 billion years after the Big Bang that are dying from the inside out.
Come to NEAF This Weekend!
This weekend features the world's largest astronomy expo, the Northeast Astronomy Forum (NEAF), in Suffern, New York.
Dawn Maps Ceres in False Color
Thanks to NASA’s Dawn spacecraft, we’re finally seeing more of the asteroid Ceres than a fuzzy ball.
Ring-Shaped Spyglass to Early Universe
A rare type of gravitational lens offers astronomers a close look at a young, dusty galaxy manufacturing hundreds of stars a year.
Celebrate the Night Sky During April
Amateur skygazers can satisfy their celestial cravings with Globe at Night, International Dark-Sky Week, Astronomy Day, and Global Astronomy Month.
Walter H. Haas (1917–2015)
Amateur astronomy has lost a true pioneer, a keen observer who founded the worldwide Association of Lunar and Planetary Observers.
Watching Starbirth in Real Time
A team of astronomers compared two images taken 18 years apart to catch the dramatic evolution of a forming star and its surroundings.
The Lunar Eclipse Wasn't Total After All?!
In a borderline eclipse of the Moon like last Saturday's, the difference between "total" and "partial" depends on some crucial assumptions.
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Saturday's Lunar Eclipse: Not Total?
Most sources say April 4th's lunar eclipse will be total, though only barely so. However, those calculations have overlooked a subtle factor that might render the event only "partial."
New Horizons: Navigating to Pluto
In the first of a series of installments written exclusively for Sky & Telescope, New Horizons principal investigator Alan Stern offers his behind-the-scenes perspective on what it took to get the spacecraft to Pluto.
Saturday Morning's Total Lunar Eclipse
An unusually brief total eclipse of the Moon will be visible before dawn this Saturday, April 4th, from western North America. The eclipse happens on Saturday evening for Australia and East Asia.
