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Ten Thousandth Near-Earth Object Discovered
Ten Thousandth Near-Earth Object Discovered
More than 10,000 asteroids and comets that can pass near Earth have now been discovered. The 10,000th near-Earth object, asteroid 2013 MZ5, was first detected on the night of June 18, 2013, by the Pan-STARRS-1 telescope.Read More...
Comet ISON: What's in a Name?
Comet ISON: What's in a Name?
Credit for comet ISON's name goes to its discovers: Vitali Nevski and Artyom Novinchonok.Read More...
Noctilucent Clouds, Comets, and Meteor Showers
Noctilucent Clouds, Comets, and Meteor Showers
This summer northern skywatchers may be able to see Noctilucent or "Night Shining" Clouds. Also called PMCs (Polar Mesospheric Clouds), these apparitions are a bit of a puzzle for scientists because it is not entirely clear how they form.Read More...
Noctilucent Clouds Get an Early Start
Noctilucent Clouds Get an Early Start
Every summer, something strange and wonderful happens high above the north pole. Ice crystals begin to cling to the smoky remains of meteors, forming electric-blue clouds with tendrils that ripple hypnotically against the sunset sky.Read More...
Dry Ice
Dry Ice "Snowboards" on Mars
NASA research indicates hunks of frozen carbon dioxide -- dry ice -- may glide down some Martian sand dunes on cushions of gas similar to miniature hovercraft, plowing furrows as they go.Read More...
Approaching Asteroid Has Its Own Moon
Approaching Asteroid Has Its Own Moon
Approaching asteroid 1998 QE2 has a moon.Read More...
Planets Aligning in the Sunset Sky
Planets Aligning in the Sunset Sky
The sunset of May 26th will be extra special. On that date, Venus, Jupiter and Mercury will gather in the fading twilight to form a bright triangle only three degrees wide.Read More...
See Saturn at its Best and Brightest
See Saturn at its Best and Brightest
At the end of April, Saturn will put on a breathtaking display.Read More...
Comet ISON Meteor Shower
Comet ISON Meteor Shower
Anticipation is building as Comet ISON plunges into the inner solar system for a close encounter with the sun in November 2013. Blasted at point-blank range by solar radiation, the sungrazer will likely become one of the finest comets in many years.Read More...
The Long and Storied Path to Human Asteroid Exploration
The Long and Storied Path to Human Asteroid Exploration
Within NASA's new FY2014 budget proposal lies a project known as the Asteroid Retrieval and Utilization Mission.Read More...
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Last Updated: 29 Jul 2014