New Hubble Space Telescope observations reveal the warm sub-Neptune GJ 9827d might have a steamy atmosphere.
The post Hubble Reveals Possible Water-Vapor World appeared first on Sky & Telescope.
New Hubble Space Telescope observations reveal the warm sub-Neptune GJ 9827d might have a steamy atmosphere.
The post Hubble Reveals Possible Water-Vapor World appeared first on Sky & Telescope.
Under Orion is the Hare, which you may know, and under the Hare is the Dove, which you may not. February the best month for both.
The post This Week's Sky at a Glance, February 2 – 11 appeared first on Sky & Telescope.
NASA’s ground-breaking Ingenuity helicopter, part of the Perseverance mission, comes to a rest on the Red Planet.
The post NASA Ends Mars Ingenuity Helicopter Mission appeared first on Sky & Telescope.
The asteroid 2024 BX1 went from a moving dot of light to rocks on the ground in mere hours — and amateur astronomers were critical to both discovery and recovery.
The post Asteroid 2024 BX1: From a Dot of Light to Fireball to Rocks on the Ground appeared first on Sky & Telescope.
Astronomers have found two different star clusters with an enigmatic source inside. Are these objects neutron stars or black holes?
The post Mystery Objects Uncovered in Globular Clusters appeared first on Sky & Telescope.
In a first for Japan, the SLIM mission stuck a pinpoint landing on the Moon. How long the mission lasts depends on whether the solar cells begin charging.
The post Japan's "Sniper" Mission Pinpoints Landing on the Moon appeared first on Sky & Telescope.
Jupiter shines high, bright, and obvious after dusk. Mercury and Mars glimmer low, dim, and elusive for their close conjunction in the dawn.
The post This Week's Sky at a Glance, January 19 – 28 appeared first on Sky & Telescope.
The Event Horizon Telescope collaboration has released the image from its second major campaign, confirming the existence of a persistent black hole shadow and a potentially turbulent environment.
The post The Black Hole Shadow in M87: One Year Later appeared first on Sky & Telescope.
Although no total lunar eclipses occur this year, skywatchers can look forward to two “central” solar eclipses — including a much-awaited total eclipse that spans the U.S. from Texas to New England.
The post Solar and Lunar Eclipses in 2024 appeared first on Sky & Telescope.
An account of my journey to the heart of one of most violent cosmic explosions witnessed on Earth. Plus, there's a bright supernova now visible in a Virgo Cluster galaxy.
The post The Night I Met the Crab Pulsar appeared first on Sky & Telescope.
“Space gear” lets us celebrate the night sky while the sun shining — and connect with others who want to do the same.
The post Let Your Astronomy Nerd Flag Fly! appeared first on Sky & Telescope.
The “magic islands” that appear and disappear in Titan’s methane-ethane seas could be hydrocarbon icebergs, a new study finds.
The post Methane Icebergs Could Float in Titan’s Seas appeared first on Sky & Telescope.
Jonathan Nally sets out to explore the Southern Hemisphere sky, starting with two uniquely southern sights: the Small and Large Magellanic Clouds.
The post Clouds, Large and Small, of the Southern Sky appeared first on Sky & Telescope.
A radio survey has serendipitously uncovered a galaxy with no visible stars.
The post Astronomers Discover “Invisible” Galaxy appeared first on Sky & Telescope.
The evening Moon passes Saturn, then Jupiter. Venus and Mercury march in lockstep in the eastern dawn. Capella, as always, paces Orion's bright foot. And who's winning the Sirius-Betelgeuse race?
The post This Week's Sky at a Glance, January 12 – 21 appeared first on Sky & Telescope.
New Webb data suggests that the hot super-Earth 55 Cancri e has a thick atmosphere, perhaps maintained by the planet's magma ocean.
The post Did Webb Detect an Atmosphere on Hot Super-Earth 55 Cancri e? appeared first on Sky & Telescope.
James Webb Space Telescope observations of a faint, giant world have revealed the signature of aurorae — even though the world has no star.
The post Unexplained Auroras Found on a Lonely Brown Dwarf appeared first on Sky & Telescope.
JWST observations of the universe as it was 12 to 13 billion years ago indicate that the black holes at the centers of small, early galaxies were more massive than expected.
The post Black Holes in Early Universe Are Too Big appeared first on Sky & Telescope.
China’s Einstein Probe, an X-ray astronomy mission, heads to orbit.
The post China Launches Einstein X-ray Observatory appeared first on Sky & Telescope.
Turns out, Betelgeuse isn't the only giant star to undergo a "Great Dimming."
The post Astronomers Watch Another Giant Star Dim appeared first on Sky & Telescope.
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