How often does a solar eclipse happen on the March equinox?

A total solar eclipse happened on the day of the March equinox in 2015. When is the next one after this, and how often do we get an equinox-eclipse?

Dawn spacecraft arrives at Ceres!

The Dawn spacecraft has made history. It has become the first mission to visit a dwarf planet when it successfully slipped into Ceres' orbit on March 6.

Methane-based lifeforms on Saturn’s moon?

Scientists offer a template for life that could thrive in the harsh, cold world of Titan, the giant moon of Saturn. It’s not life as we know it.

Rosetta spacecraft glimpses its own shadow

It's a spacecraft shadow on a comet! Rosetta caught its own shadow encircled in a wreath of light, on the icy surface of Comet 67P/Churyumov-Gerasimenko.

Missed the spacewalks? Here’s video, photos

On Sunday, NASA astronauts completed their third spacewalk in eight days. Cool video and gorgeous pics from the trio of spacewalks.

Touching NASA tributes to Leonard Nimoy’s passing

Nimoy’s character Mr. Spock on Star Trek inspired generations of astronauts, space scientists and engineers, as well as space fans around the globe.

Monster black hole at cosmic dawn

A black hole 12 billion times more massive than our sun - at the heart of the brightest quasar in the early universe - as the dark ages of the universe were just ending.

Another breathtaking view of Comet Lovejoy

The comet was 51 million miles from Earth at the time – a short distance for the Dark Energy Camera, which is sensitive to light 8 billion light-years away.

Watch unusual comet sail past sun

Then stay tuned. This comet - named C/2015 D1 (SOHO) - might become visible in your evening sky. Maybe.

Chinese rocket breaks up in northern lights

Lucky observers in western North America saw bright lights streaking in the sky Monday night - the disintegration of a Chinese rocket body. Photo and videos here!