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Small asteroid disintegrates over Cuba in daylight
The space rock traveled over West Palm Beach, above the Florida Keys, and then to Viñales, a town in Pinar del Río, Cuba. It left a smoke trail seen by many. Images and video here.
February 2, 2019
Small telescopes detect missing link in planet evolution
We know objects far from our sun - in the Kuiper Belt - that are tens to hundreds of miles across. This object is only a few miles across. Astronomers caught it with the aid of 2 small telescopes and a distant star.
January 29, 2019
How Titan cooked its atmosphere
Saturn's largest moon Titan has a thick nitrogen atmosphere - unique among all the moons in the solar system. A new study suggests Titan's atmosphere originated from organics being "cooked" in its interior.
January 29, 2019
More globular star clusters found at Milky Way’s heart
We think of globular clusters as being scattered far from the galaxy's central regions, in the great spherical halo of our Milky Way. But astronomers are finding them much closer to the galactic center.
January 27, 2019
Can moons have moons?
A new study shows that Earth's moon should, theoretically, be able to have its own moon. Why doesn't it?
January 26, 2019
Summer rainfall at Titan’s north pole
For the first time, researchers have found evidence in data sent back by Cassini for methane/ethane rainfall near Titan's north pole, signaling the start of the summer season on Saturn's largest moon.
January 25, 2019
How soon will we see the black hole at the Milky Way’s heart?
An international consortium has been striving to obtain an image of the “shadow” of the event horizon of our Milky Way's central supermassive black hole. Here's an update.
January 24, 2019
Do all planets orbit in a flat plane around their suns?
The major planets in our solar system orbit, more or less, in a single plane. That's why you can look for them along the same sky path traveled by the sun and moon. Is the same true for exoplanets in distant solar systems?
January 24, 2019
A meteorite strike during the moon eclipse!
Check it out. You can see the flash of a meteorite that struck the moon during Sunday night's total eclipse. Photos and video here.
January 23, 2019
Moon craters reveal Earth’s history
Most scientists believe the moon and Earth have been bombarded by meteorites at a constant rate for the past few billion years. New research suggests that - in the past 300 million years - it's been happening 2 to 3 times more frequently.
January 23, 2019
