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We thought we might get through this summer without the dumb hoax about Mars as big as a full moon rearing its head. But, no.
No one knew whether Mount Chamberlin or Mount Isto was taller. Now an aerial study – and a ski mountaineer – declare a winner.
The next eclipse is an annular solar eclipse on September 1, 2016.
Every calendar year has at least 4, but 5, 6 or even 7 eclipses are also possible. Why don’t we see them all?
American astronomer Asaph Hall discovered Phobos, one of the two Martian moons, on this date in 1877. Did he imagine how well we’d see Mars’ moons today?
It’s the insect star of The Silence of the Lambs.
Circumzenithal arcs have been described as an “upside down rainbow” or “a grin in the sky.” They’re wonderful! See photos here.
You call them starfish? They’re brilliant by any name.
Here is the famous Pillars of Creation photo taken by the Hubble Space Telescope. It’s one of the features within the Eagle Nebula.
The wind map updates every hour and lets you see the movement, flow, and speeds of wind across the United States. Go see it! It’s great!
“A fish out of water might seem an extraordinary thing, but in fact it is quite a common phenomenon,” said these researchers.
Delay those New Year’s plans. World timekeepers have announced they’ll add a leap second just before midnight on December 31, 2016.
Mammatus clouds can appear ominous. But, in a way that’s so common in nature, their dangerous aspect goes hand in hand with a magnificent beauty.
Oceanic manta rays have long been thought to migrate great distances. But Indo-Pacific mantas, at least, are more local commuters than long-distance travelers.
In Chinese thought, summer has been associated with the color red, the sound of laughing, the heart organ, the fire element and a red phoenix bird.
On the June solstice, the sun sets at the same time in New York City and St. Augustine, Florida. But New York has an hour more of daylight. How’s that happen?
People at high latitudes are seeing glowing clouds in a dark night sky. They’re called noctilucent or “night-shining” clouds.
Confirmation that Mars came out of its last ice age 400,000 years ago. Plus insights into the water cycle on Mars, a possible help to future space colonists.
A rare combination of light and shade over a hillside in Mutare.
An oddly textured region of southern Mars is not ice-covered today. Yet landforms here – and now certain minerals – are associated with under-ice volcanoes.
Mars and Saturn over the Alps