Easter is this Sunday. Astronomer Guy Ottewell explains why it’s a late Easter, but not the latest it can be.
Image via TheAldertonSwan.
You don’t need to find the radiant to see the meteors. But it’s fun to spot, near the bright star Vega.
Lyrid meteors radiate from near the bright star Vega in the constellation Lyra the Harp.
Paleontologists have named the 430 million-year-old fossil of a tentacled sea creature after horror author H.P. Lovecraft’s Cthulhu monster.
Life reconstruction of Sollasina cthulhu. Illustration via Elissa Martin, Yale Peabody Museum of Natural History.
A new study of fossils unearthed by Depression-era workers reveal that camels, antelopes and relatives of modern elephants and dogs were among the animals that roamed a veritable “Texas Serengeti” millions of years ago.
Image via University of Texas.
The Coma Cluster is one of the richest galaxy clusters known. How many suns and how many worlds might be located in this direction of space?
NASA hopes to send astronauts to the surface of the moon in 5 years, and has planned a landing site where no human has yet been: the lunar south pole.
In this multi-temporal illumination map of the lunar south pole, Shackleton crater (19 km diameter) is in the center, the south pole is located approximately at 9 o'clock on its rim. The map was created from images from the camera aboard the Lunar Reconnaissance Orbiter. IMAGE VIA NASA/GSFC/Arizona State University.
Here’s something you – or your kids – might have noticed: When you’re in a moving car, earthly objects get left behind, but the moon seems to follow. Why?
Full moon photo by EarthSky community member Fernando Alvarenga in San Salvador.
In 2013, in a big success story, a Mars rover and orbiter made a near-simultaneous observation of methane in Mars’ atmosphere. Now a newer mission orbiting Mars – ESA’s Trace Gas Orbiter – has failed to detect methane. Why?
Illustration of ESA's Trace Gas Orbiter, part of the ExoMars mission, analyzing the Martian atmosphere. Image via ESA/ATG medialab.
The giant exoplanet – 13 times more massive than Jupiter – is the first yet found that orbits a binary star system in which 1 of the 2 stars is dead.
Artist's impression of the exoplanet. Image via