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Observing Alert – Delta Aquarid Meteor Shower Peaks Tonight

Watch for the southern Delta Aquarid meteor shower to peak over the next two mornings July 29-30. The best time for viewing is the hour before the start of dawn.

The Little Rover that Could: Opportunity Reaches Odometer Milestone

This scene from NASA’s Mars Exploration Rover Opportunity shows “Lunokhod 2 Crater.” The site was named earlier this year as Opportunity neared the mileage record.

When Good Meteor Showers Go Bad: Prospects for the 2014 Perseids

A brilliant capture of a 2013 Perseid fireball. Credit: Fred Locklear. It’s that time of year again, when the most famous of all meteor showers puts on its best display.

Annual Atlanta Star Party Coming Soon!

The 2012 Atlanta Star Party. Credit: Bruce Press If you happen to be attending DragonCon or just live near Atlanta, come and listen to some fantastic speakers and help do astronomy research and education at the Annual Atlanta Star Party!

Carnival Of Space #364

Carnival of Space. Image by Jason Major. This week’s Carnival of Space is hosted by Joe Latrell at his Photos To Space blog.

NASA Spacecraft Is Now Buzzing Mercury 62 Miles Above The Surface

Artist’s conception of NASA’s MESSENGER spacecraft above Mercury. Credit: JHUAPL Look out below! NASA’s MESSENGER spacecraft is at its lowest altitude of any spacecraft above Mercury, and over the next couple of months it’s going to get even lower above the planet.

Balloon Garden: Japanese Artist Flies Bonsai Tree And Plants High Above Earth

The Exobiotanica project saw a bonsai tree launched to 30,000 meters (about 98,425 feet). Credit: Could life survive in the harshness of space?

A Whole New World: How NASA Helps You 3-D Print The Universe

A sketch of a printable 3-D model of 433 Eros. Credit: NASA How would it feel like to hold an asteroid or spacecraft in your hands?

Cool Infographic Compares the Chemistry of Planetary Atmospheres

“Atmospheres of the Solar System” by Compound Interest’s Andy Brunning Here on Earth we enjoy the nitrogen-oxygen atmosphere we’ve all come to know and love with each of the approximately 24,000 breaths we take each day (not to mention the surprisingly comfortable 14.7 pounds per square inch of pressure it exerts on our bodies every moment.) But every breath we take would be impossible (or at least quickly prove to be deadly) on any of the other planets in our Solar System due to their specific compositions.

Comet Jacques Makes a ‘Questionable’ Appearance

Comet Jacques and IC 405, better known as the Flaming Star Nebula, align to create a temporary ‘question mark’ in the sky this morning July 26.

James Webb Space Telescope’s Giant Sunshield Test Unit Unfurled First Time

The sunshield test unit on NASA’s James Webb Space Telescope is unfurled for the first time. Credit: NASA GODDARD SPACE FLIGHT CENTER, MD – The huge Sunshield test unit for NASA’s James Webb Space Telescope (JWST) has been successfully unfurled for the first time in a key milestone ahead of the launch scheduled for October 2018.

NASA preps for Nail-biting Comet Flyby of Mars

Simulation depicts comet C/2013 A1 Siding Spring during its close Mars flyby on Oct. 19. Its nucleus will miss Mars by about 82,000 miles (132,000 kilometers).

Having Fun with the Equation of Time

An analemma of the Sun, taken from Budapest, Hungary over a one year span. (Courtesy of György Soponyai, used with permission).

Watch Live: ‘Mars’ Crew Emerges From Simulation After 120 Days

If you spent 120 days cooped up in a small habitat with six people, what’s the first thing you’d want to do upon emerging?

Astronaut Spots Violence Over Gaza, Asks What Extraterrestrials Would Think

Expedition 40 astronaut Alexander Gerst took this photo of the Israel and Gaza regions in July 2014 while explosions took place below (which are not visible in the photo).

Video: Warp Into A Star Nursery 3,000 Light Years Away

Zoom! This video brings you up close to a region where a bunch of stars are being born. This new video from the European Southern Observatory shows a so-called an HII region made up of hydrogen gas, which is a common feature of nurseries.

Mapping Dark Matter 4.5 Billion Light-years Away

This image shows the galaxy cluster MCS J0416.1–2403. The blue is dark matter mapped in this study. Image Credit: ESA / Hubble, NASA The Milky Way measures 100 to 120 thousand light-years across, a distance that defies imagination.

To Help Mars Rovers Phone Home, NASA Asks For Ideas To Close Looming Communications Gap

Artist’s conception of commercial satellites orbiting Mars and beaming information back to Earth. Credit: NASA/JPL-Caltech Remember during the government shutdown when it looked as though a NASA Mars mission would be delayed?

Apollo 11 Splashdown 45 Years Ago on July 24, 1969 Concludes 1st Moon Landing Mission – Gallery

Apollo 11 Comes Home. The Apollo 11 crew await pickup by a helicopter from the USS Hornet, prime recovery ship for the historic lunar landing mission.

Hubble Finds 3 (Relatively) Dry Exoplanets, Raising Questions About Water Outside The Solar System

Artist’s conception of gas giant planet HD 209458b in the constellation Pegasus, which has less water vapor in its atmosphere than expected.