The glorious Cassini spacecraft - now nearly out of fuel - will make the 1st in a daring series of dives through the gap between Saturn and its rings on April 26.

During Cassini's close pass of Titan on April 21-22, Titan's gravity will bend Cassini's orbit around Saturn, shrinking it slightly, so that instead of passing just outside the rings, the spacecraft will begin its Grand Finale dives just inside the rings. Wow!

The European Space Agency is monitoring the progress of the crack in Antarctica's Larsen-C ice shelf. The crack is eventually expected to produce a massive iceberg.

Large asteroid 2014 JO25 safely passed Earth on April 19, 2017 at some 1,098,733 miles (1,768,239 km) or about 4.6 times the distance from Earth to the moon. Images from the EarthSky community here.

It's coming closer today than any asteroid this large since 2004. It came into view of small telescopes a few hours ago. Early radar observations indicate it's bigger than we thought.

Earth is an ocean planet. Astronomers are realizing that ocean worlds are all around us in space. New ScienceCast video from NASA.

You might spot the moon after sunrise on April 18 or 19, high in the sky. Did you know a last quarter moon is slightly fainter than a first quarter moon? Learn why here.

Dark energy is thought to be the driver for the expansion of the universe. But do we need dark energy to account for an expanding universe?

ESA invites you to watch the opening address and more from the European Conference on Space Debris. It'll begin April 18 at 09:30 CEST.

The annual Lyrid meteor shower is active each year from about April 16 to 25.