Articles

Emily Lakdawalla

Two spacecraft that keep their ever-watchful eyes on the Sun -- NASA's Solar Dynamics Observatory (SDO) and JAXA's Hinode -- were doing their thing, when something large wandered past: the Moon.

Jim Bell

If you've never seen a total eclipse of the Sun, make sure to put one on your bucket list!

Emily Lakdawalla

A good start to my day today: The New York Times' Lens Blog featured the

Emily Lakdawalla

The animation I posted yesterday, of a huge coronal mass ejection exploding away from the Sun, caused several people to ask if it could do Earth any harm.

Emily Lakdawalla

The Sun just spat out a huge coronal mass ejection, an event made visible by the watchful cameras on SOHO.

Emily Lakdawalla

This morning I received a bulletin warning of a

Ted Stryk

The New Horizons science team is meeting this week. Ted Stryk was invited to attend the meeting, and he sent the following notes from the first day.

David Seal

David Seal explains the complications for Cassini coming from Titan's atmosphere and Solar Cycle.

Emily Lakdawalla

According to a press release issued this morning by the National Oceanic and Atmospheric Administration, the enormous solar flare that erupted on December 5 and 6 last year was accompanied by an intense radio burst that caused large numbers of Global Positioning System recivers to stop tracking the signal from the orbiting GPS satellites.

Charlene Anderson

Home. Family. This will be Voyager's enduring legacy: It has changed forever the feelings raised by those words. Through its robotic eyes we have learned to see the solar system as our home. Through its portraits of the planets we know that they are part of our family. Apollo astronauts showed us a tiny Earth alone in the blackness of space. Now, with these images, Voyager has shown us that Earth is not really alone. Around our parent Sun orbit sibling worlds, companions as we travel through the Galaxy.