In this month’s episode, start with one of the year’s best meteor showers, then spend some time with Jupiter, and check out a mythical queen and hunter who have ego problems. So bundle up, grab your curiosity, and come along on this month’s Sky Tour.
Astronomers have discovered a bridge of gas and dust between two protostars, the signature of a close encounter 15,000 years ago.
The highlights of spaceflight in 2025 have included missions to explore the Moon, Mars, and the Sun — and more is coming in the New Year.
Jupiter nears opposition. The waxing Moon pairs with Saturn, then guides the way to the fine telescopic double star Gamma Arietis, and later passes the Pleiades.
How to start sky exploring with that new telescope. How to set it up right, other key things to know -- and great cosmic immensities to start finding tonight.
Astronomers are trying to determine if they've witnessed a complex stellar explosion or a relatively ordinary supernova.
Waves of recent star formation have made Orion winter's most scintillating constellation. You can see how it all came to be.
Discovered by amateur astronomers, a mysterious arc of gas might be the ghostly remains of a star shedding its outer layers. However, astronomers haven’t reached a consensus yet.
We greet the winter solstice. Jupiter nears opposition. Will the two Dog Stars balance for you? And meet the House in the Hyades.
There could be liquid water trapped under the southern polar cap of Mars. But new observations suggest otherwise.
Where does the Sun end and the solar wind begin? Scientists have mapped the dynamic magnetic edge that bounds our star.
NASA is working to restore communications with its MAVEN Mars Orbiter mission.
Big Jupiter now rises in the east-southeast less than an hour after dark. It's high in sharp telescopic viewing by about 10 p.m.
Observations from the James Webb Space Telescope suggest the planet might have a nitrogen-and-methane atmosphere — but more data are needed to rule out a bare rock scenario.
Two winter stars left their mark long ago on wispy gas clouds near the solar system. Their passage might even have influenced life on Earth.
Astronomers have discovered one of the largest structures in the universe — and the galaxies within it — spinning like a fairground teacup ride.
It’s December and that means one of the best celestial events will grace the skies. The Geminid meteor shower should peak between Saturday night and Sunday morning, December 13–14.
With a retiring crescent Moon in the mix, prospects for the year's richest meteor shower are excellent.
A new analysis of the Solar Orbiter's unique views of the Sun's poles shows how a "conveyor belt" moves within our nearest star.
The Moon, waning away from full, groups up with Jupiter, Castor and Pollux on two nights. Later in the week the grand Geminid meteor shower comes into full bloom.
The groundbreaking mission designed to observe our Sun and its interactions with Earth celebrates three decades in space this week.
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