Posts by 

Deborah Byrd

Curiosity rover tracks on Mars, August 4, 2014

Today is the second anniversary of the Mars rover Curiosity's landing inside the Martian Gale Crater on August 5, 2012, PDT (Aug. 6, 2012, EDT).

Saturn kisses the dark edge of the moon

Astrophotographer Colin Legg in Western Australia caught the August 4, 2014 occultation of Saturn by the moon. He called it "a brilliant thing to watch."

For two weeks last August, all hell broke loose on Jupiter’s moon Io

The energy emitted by these volcanic eruptions implies lava fountains gushing at a huge volume per second, forming lava flows that quickly spread over Io's surface.

Lifeform of the week: Florida manatee

Manatees and elephants have a common ancestor, and both have uncommonly shaped spherical hearts. Check out this sweet video from Three Sisters Springs, Crystal River, Florida.

Soon-to-be-famous comet passes a ringed galaxy

Beautiful image of Comet C/2013 A1 Siding Spring from this weekend. This is the comet that will pass extremely near Mars in October. Thank you, Damian Peach!

Watch online as the moon sweeps in front of Saturn

Online coverage of the moon photobombing Saturn - seen from Australia - will begin on Monday, August 4, starting at 4 a.m. PDT / 7 a.m. EDT / 11:00 UTC.

Summer storm over Alberta, Canada

On the day Shannon McDowell sent in this photo, Alberta was under a severe thunderstorm threat.

Methane release likely caused mystery crater on Yamal peninsula

A science team measured methane concentrations up to 50,000 times standard levels inside the crater.

Deep-sea octopus guards her eggs for nearly 4.5 years

This Octomom was observed to set a new record - 53 months - for the longest brooding period of any known animal.

Wildly misaligned planet-forming disks in binary star system HK Tau

There've been hints in the past that this type of misaligned system exists, but this is the cleanest and most striking example, astronomers say.