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Image credit: Anthony Wesley/NASA
Science Wire | Apr 02, 2014

Mars opposition happens this month: It’s really easy to see

Earth and Mars are converging for a beautiful close encounter in April, an event astronomers call “the opposition of Mars.”

March 29, 2014 X-flare via NASA SDO
Blogs | Videos | Apr 01, 2014

Aurora alert for April 1 and 2

The first of three sets of solar particles are now en route to Earth and are expected to deliver glancing blows to Earth beginning April 1 and into April 2.

Zodiacal light
Tonight | Mar 31, 2014

Everything you need to know: zodiacal light or false dusk

The zodiacal light is an eerie light extending up from the horizon. No matter where you are on Earth, springtime or autumn is the best time to see it.

Mars,  via Hubble Heritage Project
Tonight | Mar 31, 2014

April 2014 guide to the five visible planets

April 2014 is Mars’ time! We’re closer to Mars – and it’s brighter in our sky – than it has been since December 2007.

Science Wire | Mar 28, 2014

Rosetta sets sights on destination comet

The Rosetta spacecraft has caught its first glimpse of comet 67P/Churyumov–Gerasimenko since waking up from deep-space hibernation in January.

Science Wire | Mar 28, 2014

Comet Siding Spring barrels toward sun, sprouts multiple jets

On October 19, 2014, Comet C/2013 A1 Siding Spring will sweep closer to Mars than our moon is to Earth. Dust shed by the comet could endanger spacecraft orbiting Mars.

The sun in extreme ultraviolet, false color green
Blogs | Mar 28, 2014

Top 10 things you might not know about stars

Here’s a collection of 10 unexpected, intriguing facts about the stars of our universe – including our sun – that you probably didn’t know!

Photo creditL Annie Lewis
Blogs | Photos | Mar 27, 2014

Miss the moon and Venus this morning? Photos here

Photos from friends around the world of the March 27 and March 28 pairing of the moon with Venus. Thank you, everyone, for posting!

Via NASA-JPL / Caltech / T. Pyle
Blogs | Mar 26, 2014

Theory suggests source of white dwarf pollution … and ominous fate for Earth

A new theory, advanced to explain how the atmospheres of collapsed stars become polluted, points to ominous fate awaiting planet Earth.

rings around Chariklo
Science Wire | Mar 26, 2014

Astronomers discover first asteroid with rings

This is the smallest object by far found to have rings and only the fifth body in the solar system – after planets Jupiter, Saturn, Uranus and Neptune – to have rings.