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Cassini dives between Saturn and its rings

The Cassini spacecraft made the first-ever dive through the narrow gap between the planet Saturn and its rings on Wednesday.

How Kepler saw Neptune

New video from NASA depicting the observations of our solar system’s 8th planet, Neptune, by the famous planet-hunting Kepler telescope.

New Project Skyglow video and giveaway

The guys at Project Skyglow have done some amazing videos, and they have a new book out. It’s not too late to enter their giveaway, honoring International Dark Sky Week.

Video: Cassini’s final crazy engineering

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!

Growing crack in Larsen-C ice shelf

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.

Asteroid 2014 JO25 bigger than expected

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.

Ocean worlds beyond Earth

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

Watch space debris conference online

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.

Is there life on Saturn’s moon?

A form of chemical energy that can support life appears to exist on Saturn’s moon Enceladus. 

New global map of Earth at night

First new global map of Earth at night since 2012, dubbed Black Marble. It shows city lights, boats on the water, how people follow geography, population patterns and more.

Jupiter has a Great Cold Spot

The newly discovered Great Cold Spot on Jupiter rivals the scale of the planet’s Great Red Spot. It’s thought to be driven by powerful energies from auroras at Jupiter’s poles.

Rescuing 11 elephants from a mud hole

Asian elephants got stuck in a mud-filled old bomb crater in Cambodia. A collaborative rescue effort saved them all.

How flocking birds move in unison

Don’t miss this video! And learn how birds in flocks perform their wonderful, graceful movements. Hint: they don’t just follow a leader, or their neighbors.

Favorite octopus videos

Octopuses (aka octopi or octopodes) are so cool! Here are 5 of our favorite videos featuring those remarkable cephalopods.

Watch a full rotation of the moon

Wonderful video from the Lunar Reconnaissance Orbiter, a NASA spacecraft in a polar orbit around the moon since 2009. The moon as you’ve never seen it!

Today in science: Great Alaska earthquake

The earthquake – centered in Prince William Sound off the coast of south-central Alaska – was the most powerful yet recorded in North America at magnitude 9.2.

Another Planet 9 search! You can help

This one will use images of the sky visible from Earth’s Southern Hemisphere. You can help from anyplace on the globe. The search is for a 9th major planet in our system, nicknamed Planet 9.

Super halos around very young galaxies

Astronomers directly observed a pair of Milky-Way-like galaxies, seen when the universe was 8% of its current age. They were excited to find the young galaxies surrounded by huge halos.

New map of space dust in 3-D

Sure, we’re all collections of space dust. But astronomers also want to study it in order to understand how space dust in our Milky Way obscures starlight from afar.

Record low sea ice at both poles

Considering both poles in February 2017, Earth essentially lost the equivalent of a chunk of sea ice larger than Mexico, in contrast to the average global minimum for 1981-2010.