Mars Will NOT Be As Big As The Moon In The Night Sky

No, no, no…a thousand times NO: Mars will not become a “second Moon” in the sky on August 27. It won’t this year, it didn’t last year, and it didn’t in the past dozen years since this silly yet strangely perennial cyber-legend (yes I just used the prefix “cyber”) first started circulating on teh interwebz. I don’t know…

Dawn Finds Similarities Between Ceres and Saturn’s Moons

Around 600 miles wide, covered in craters and cliffs, a composition of rock and water ice… these are descriptions of both several of Saturn’s moons and the dwarf planet Ceres, based on recent observations by NASA’s Dawn spacecraft. New topographical maps show that, in terms of surface features anyway, Ceres shares similarities with Saturn’s icy…

Behold the Hidden Colors of Pluto

This newly-released picture of Pluto isn’t quite what our eyes would perceive… but then our eyes aren’t high-tech scientific imaging sensors like the ones aboard New Horizons! An enhanced-color image made from data acquired by the spacecraft’s LORRI and Ralph cameras on July 13, 2015, this view of Pluto shows the many variations in surface compositions…

Another Mountain Range Discovered on Pluto

A new image from New Horizons has emerged, showing a new, smaller mountain range on the southwestern border of Pluto’s “heart” region. The image was captured during the July 14 flyby, during which time the spacecraft passed less than 8,000 miles from the planet’s surface.

Pluto: Prelude to a Flyby

This is ‪‎Pluto‬, imaged by New Horizons’ LORRI camera on July 12. It’s (once again) the best view yet, captured from a distance of 2.5 million km / 1.5 million miles. Check out all that geology – craters, depressions, chaos terrain of some sort… at no time in human history has anyone ever seen this world in…

Here’s Our Best and Last Look at Pluto’s Moon-facing Side

Three days before New Horizons’ closest pass by Pluto and we already have the first final image of the mission: this is the last “best” view we will have of Pluto’s Charon-facing side, as the spacecraft will be acquiring its most detailed images of the planet’s opposite side on July 14. Pluto and its largest…

This is Where MESSENGER Impacted Mercury

On April 30, 2015, after more than ten years in space – four of those in orbit –  MESSENGER‘s mission and operational life came to its conclusive (and expected) end when it impacted the surface of Mercury. While the spacecraft’s approximate impact location was predicted by mission engineers (it was out of sight of Earth at the time)…

Here’s Pluto Like You’ve Never Seen It Before!

…no, really. There hasn’t been an image this detailed of Pluto and its moon Charon in pretty much EVER. (Which makes total sense since New Horizons is the FIRST spacecraft to visit it and it has less than a week and .05 AU  to go until its closest pass!) So actually everything you’ll see of…

Are You Ready For Pluto?

New Horizons sure is! With just over two weeks to go before the first-ever (and I repeat: EVER!) visit to Pluto and its family of moons the excitement has really ramped up exponentially, especially considering the increasingly detailed views of Pluto and Charon that the spacecraft has been capturing on approach. No longer just a…

Scientists Squeeze Methane Out Of Martian Meteorites

One of the biggest clues to finding evidence of life on Mars – past or present – has been the existence of methane, an organic compound that is the principal component of natural gas here on Earth. Methane can arise via both biological and non-biological processes, but in both cases it can be used as…