Happy April, stargazers! The closest supermoon of the year takes place this month, April 2020. Supermoon is a nickname that describes a Full Moon that occurs within 10% of its closest approach to Earth. Astronomers refer to supermoons as a perigean Full Moon. The April 7th Full Moon is just under 222,000 miles from Earth. […]

The three naked-eye-visible planets outside Earth’s orbit will appear less than 20 degrees apart in the sky this month, March 2020. The planets Mars, Jupiter, and Saturn can be seen low in the southeast just as morning-twilight begins to lighten the sky. Jupiter is the brightest of the three, and it serves as a guidepost […]

This month will be a little longer than usual, but still shorter than most months of the calendar — because it’s February 2020. This year is a Leap Year, when the short month of February has 29 days instead of the usual 28. Earth’s actual orbit around the Sun takes about one-quarter of a day […]

Dr. Andrew Johnston Vice President of Astronomy and Collections As someone who has worked in museums for the past 30 years (WOW!), what has been the most rewarding experience for you? I began working in science museums when I was a teenager, so I feel very lucky to have been working in this business all […]

Header Image: This is probably the first Moon rock picked up by Neil Armstrong as part of the “contingency sample.” Because the collection was so hurried and the documentation sparse, NASA scientists are not completely sure of the identification. Credit: NASA The Apollo missions sent humans to the Moon 50 years ago. Getting there required […]

On Wednesday, February 13, 2019, NASA officially announced the “death” of Opportunity (2003-2018), a rover sent to Mars by NASA in 2003 for a 90-day mission that turned into a staggering fifteen years. Opportunity landed on Mars on January 25, 2004, three weeks after its companion rover, Spirit, touched down on the other side of […]