Cassini's Grand Finale

See if you can spot Mercury, enjoy some lovely Moon-planet pairings, and get up early on April 23rd to enjoy some Moon-free meteor viewing.

Saturn, Jupiter, and Mars. Skull Valley, Utah.

​Venus and Jupiter part ways following their March 1 rendezvous, while Ceres reaches opposition, and is worth hunting for using binoculars.

Look for the charioteer constellation, Auriga, along with two easy-to-locate star clusters, M41 and M47. And watch as Jupiter and Venus get close.

This visual reveals how the magnetic field associated with the Psyche spacecraft distorts the ambient magnetic field to be measured.

The Psyche spacecraft includes many unavoidable magnetic field sources, which must be accounted for to measure the magnetic field signature of the Psyche metal-rich asteroid.

A whimsical collection of cosmic candies. Ready to download and share.

Some close approaches by Mars, Jupiter, the Moon, Venus, and Saturn, plus the brilliant winter stars, and a comet you can find with binoculars.

The 2023 phases of the Moon at hourly intervals.

NASA’s SunRISE will send a fleet of six SmallSats into orbit around Earth to work as one radio telescope to investigate radio waves from the Sun.

The Heliophysics Big Year is a NASA-led public engagement campaign designed to promote heliophysics broadly, make heliophysics science and information accessible to all, and showcase ongoing effort...

This fact sheet, available to download in color and grayscale, provides information about eclipses and how to watch this one safely.

The Moon occults Mars, and slips past Jupiter twice, while winged stallion Pegasus looks on.

A total lunar eclipse, Leonid meteors, and the Moon visits Mars, Saturn, and Spica.

Happy Halloween, space explorers. Perhaps you could carve a few moments out of your busy schedule to join me for a haunted hayride to some of the more disturbing destinations of your sinister littl...

OSIRIS-REx returns to Earth in 2023 with its precious sample of asteroid Bennu.

NASA’s Lucy mission is heading to the Jupiter Trojans – but first, it's returning home for an Earth gravity assist. 

Shadow of an annular eclipse seen from the International Space Station on May 20, 2012.

An annular solar eclipse photographed on May 20, 2012.

An annular solar eclipse creates a "ring of fire" around the Moon, similar to that seen in this image taken by JAXA/NASA Hinode spacecraft.

An annular solar eclipse over New Mexico.

An annular eclipse occurs when the Moon eclipses the Sun while it is at its farthest point from Earth, making it appear too small to block out the entire solar disk.

Employees and visitors at NASA's Jet Propulsion Laboratory stopped to watch the Aug. 21, 2017, solar eclipse on Aug. 21, 2017.

Employees and visitors at NASA's Jet Propulsion Laboratory stopped to watch the Aug. 21, 2017, solar eclipse on Aug. 21, 2017.

The Aug. 21, 2017, total solar eclipse as seen by the people attending the viewing event at the Oregon State Fairgrounds, Salem, Oregon.