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Has Mars’ methane gone missing?
The 1st results from ESA's Trace Gas Orbiter mission at Mars have been released and - surprise - no atmospheric methane. That's even though methane on Mars has been observed multiple times before. Where is it?
January 2, 2019
Spacecraft orbits tiny Bennu, breaks record
On December 31 - while we celebrated - NASA's OSIRIS-REx spacecraft went into orbit around Bennu, a near-Earth asteroid. The maneuver makes Bennu the smallest object yet to be orbited by a spacecraft.
January 1, 2019
Pluto craft to encounter Ultima Thule
New Horizons is the spacecraft that sent back those amazing images of Pluto in 2015. Ultima Thule is its next target, a billion miles beyond Pluto. The encounter is New Year's Day, but start watching now!
December 29, 2018
EarthSky’s top 5 stories of 2018
From the months-long eruption of Hawaii's Kilauea Volcano to a strange object discovered on the surface of Mars - and more - here's a quick roundup of the stories our readers enjoyed most in 2018.
December 28, 2018
Spacecraft spies ice-filled Mars crater
The Mars Express orbiter has taken some stunning photos of Korolev Crater, an ice-filled crater near the Martian north pole. It looks from a distance like a snowy winter landscape on Earth.
December 28, 2018
What does Ceres’ carbon mean?
Earlier this month, scientists announced that dwarf planet Ceres has more carbon-rich organics than previously thought, both on and below its surface. Here's why that's exciting.
December 27, 2018
A star is born
Take 2 minutes to learn about the life and death of a planetary system in this new video from NASA.
December 26, 2018
Eureka! Astronomers find a Big Bang fossil
Only 2 other fossil clouds are known in our universe, and both were serendipitous discoveries. Then astronomers began searching for these rare relics, and found one!
December 23, 2018
The case of the vanishing exoplanet
Astronomers have found an exoplanet - the 2nd of its kind now - that is gradually "evaporating" as its hydrogen atmosphere leaks away into space.
December 23, 2018
Goodbye to Saturn’s rings
Scientists have long said that Saturn's glorious rings may be only temporary. New research confirms a "ring rain" onto Saturn that'll leave the planet ringless in 300 million years, or sooner.
December 19, 2018
