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Author: Alison Klesman

Alison earned her bachelor’s degree in physics and master’s degree in earth, atmospheric, and planetary science from MIT. During this time, she completed several years of research in the field of planetary science, working on research topics that ranged from comets and asteroids to the atmosphere of Pluto. She earned her Ph.D. in astronomy from the University of Florida for work surveying active galactic nuclei in massive galaxy clusters, after which she focused on outreach at Spencer's Observatory in Tucson, Arizona. Asteroid 30286 Klesman (2000 HG61) is named after her. Alison has been with the magazine since 2016.
The Dumbbell Nebula
Observing

The Sky Today on Saturday, June 7: The Dumbbell Nebula

The sky in the south on June 6, 2025
Observing

The Sky Today on Friday, June 6: The Moon and Spica

The sky on June 8, 2025, 30 minutes after sunset, looking northwest
Sky This Week, The Sky This Week

The Sky This Week from June 6 to 13: Jupiter and Mercury meet

the Summer Triangle
Observing

The Sky Today on Thursday, June 5: Summer Triangle rising

The constellation Delphinus
Observing

The Sky Today on Wednesday, June 4: Pallas swims with the Dolphin

Ptolemaeus, Alphonsus, and Arzachel
Observing

The Sky Today on Tuesday, June 3: A trio of craters

the constellation Leo Minor
Observing

The Sky Today on Monday, June 2: The Little Lion

The sky in the west on June 1, 2025
Observing

The Sky Today on Sunday, June 1: The Moon passes Mars

Venus as a morning star
Observing

The Sky Today on Saturday, May 31: Venus at greatest western elongation

The eastern sky around 4 A.M. on May 30, 2025
Observing

The Sky Today on Friday, May 30: Saturn and Neptune rise together

Venus near dichotomy
Sky This Week, The Sky This Week

The Sky This Week from May 30 to June 6: All eyes on Venus

star chart showing Upgren 1
Observing

The Sky Today on Thursday, May 29: Pull out binoculars for Upgren 1

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