See the Spring Diamond shine in the night sky By Joe Rao It's a coincidence of the night sky that each season has a characteristic geometric pattern.
Weird, dimming star Betelgeuse may have a dusty explanation By Chelsea Gohd A bright, red star that started dimming dramatically in 2019 isn't about to explode, as some scientists initially thought — it's just really dusty, a new study shows.
'They Are Already Here' starts with a total solar eclipse and a UFO. (Book Excerpt) By Sarah Scoles Read an excerpt from the new book "They Are Already Here: UFO Culture and Why We See Saucers" by Sarah Scoles.
March Full Moon 2020: Catch the 'Worm Moon' and the first supermoon of the year on Monday By Jesse Emspak The full moon of March, called the Worm Moon, occurs March 9 at 1:48 p.m. EDT (1748 GMT). It will be the first "supermoon" of 2020.
Star maps through the ages: A Q&A with the author of 'The Sky Atlas' By Meghan Bartels Sure, humans have looked to the stars for millennia, but it's still difficult to step into the shoes of all those people.
See Mars with Jupiter and Saturn in the dawn sky in March By Joe Rao This is a good week to check out progress of the planet Mars as it continues toward an unusually close approach to the Earth in early fall.
How to see Venus shining with the moon tonight By Joe Rao Tonight (Feb. 27), as darkness is falling, be sure to look toward the west-southwest sky to spot another beautiful celestial tableau formed by a lovely crescent moon and the brilliant planet Venus.
How to spot Canis Major, the big dog of winter By Joe Rao The constellation of Canis Major is visible in the winter sky this month.
Full moon and the 'Belt of Venus' glow over Lisbon during 1st eclipse of 2020 (photo) By Miguel Claro A cityscape view captured from the highest point of Lisbon shows the first full moon of the year, rising above the capital of Portugal on Jan. 10, with the Tagus River visible in the background.
Milky Way's seasonal transition captured in gorgeous night sky photo By Miguel Claro A starry night scene captured at the end of summer from the Dark Sky Alqueva reserve in Portugal shows the Milky Way's galactic arc shimmering above a dead tree in Noudar Park.
See the moon, 3 planets and red star Antares arc over NYC (photos) By Mike Wall You can catch the sky show, too, if you're willing to rise before the sun.
Watch Mars 'sneak' behind the crescent moon in these amazing views (video) By Hanneke Weitering The Red Planet briefly disappeared behind the moon for skywatchers in North America on Tuesday (Feb. 18), providing a rare celestial treat for early risers and astrophotographers.
Meet the unknown female mathematician whose calculations helped discover Pluto By Meghan Bartels Pluto's discovery wouldn't have been possible, astronomers have realized, without the calculations of a mathematician whom history has forgotten.
The moon will 'eclipse' Mars before dawn Tuesday! Here's how to see it. By Joe Rao As the waning crescent moon rises in the small hours of the morning of Tuesday, Feb. 18, skywatchers will be preparing for an unusual event.
Orion and its dimming star Betelgeuse shine over a stargazer in this sentimental night-sky photo By Miguel Claro A night-sky photo features a lonely stargazer admiring the beautiful constellation of Orion, the hunter — and it's strangely dimming star Betelgeuse.
Satellite megaconstellations prompt new warning from astronomy group about impact on science By Meghan Bartels The more astronomers consider the advent of satellite megaconstellations, the more anxious they get.
Cosmic love: Heart and Soul nebulas will capture your heart on Valentine's Day (photo) By Miguel Claro This deep-space image shows the Heart and Soul nebulas shining brightly in reddish hues from energized hydrogen.
For stargazers, the Big Dipper is a celestial compass, clock, calendar and ruler. Here’s how to use it. By Joe Rao The Dipper is more than just a bright and familiar star pattern. It's a compass, a clock, a calendar and a ruler all rolled into one!
