Why is Easter so late in 2019?

Easter is this Sunday. Astronomer Guy Ottewell explains why it's a late Easter, but not the latest it can be.

Watch for moon, Jupiter, Lyrid meteors

That bright moon in the sky before sunup will drown most of the ongoing Lyrid meteor shower from view. But the moon offers its own delights, sweeping past Jupiter in the next few mornings.

This Cthulhu-like creature crawled the ancient seafloor

Paleontologists have named the 430 million-year-old fossil of a tentacled sea creature after horror author H.P. Lovecraft's Cthulhu monster.

Ancient ‘Texas Serengeti’ had rhinos, alligators, 12 kinds of horses

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.

Don’t miss these sunspot photos

More photos of the magnificent solitary sunspot - AR2738 - that's made its way across the sun's face over the past couple of weeks. Thanks to all in the EarthSky community who contributed photos!

Moon’s south pole possible landing site

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.

See it! Photos of Venus and Mercury

Mercury and Venus came so close in the morning sky this month that they fitted into a single binocular field. But from Earth's northerly latitudes, Mercury was hard to see! Photos here.

April full moon shines in Virgo

Enjoy the April full moon, as it shines in front of Virgo from dusk till dawn.

The strange case of Mars’ disappearing methane

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?

Jumbo exoplanet discovered in double system with a dead star

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.