A magical planetary alignment will occur this month — how, where and when to see it happen By . Reda Wigle. Published Jan. 20, 2025, 5:00 a.m. ET.

Tangent. The planetary parade won’t be the only sight in the sky on June 3. The waning crescent moon will begin on May 31 and end on June 5. The waning crescent is the eighth and final phase the ...

Every 10 years, NASA asks scientists to evaluate the state of planetary science and offer guidance about which questions are top priorities for the community as a whole in a process dubbed a ...

This planetary parade will see Mars, Jupiter, Uranus, Venus, Neptune, Mercury, and Saturn lining up in the evening sky. Four will probably be visible to the naked eye just after sunset.

Astronomers have long been aware that planetary systems are not necessarily structured like our solar system. Researchers have now shown that there are in fact four types of planetary systems.

A series of failures. Amid the rising cost of its Discovery and New Frontiers-class missions, NASA sought to open a new category of missions that would trade lower cost for higher risk.

Dr. Bethany Ehlmann has been named director of the Laboratory for Atmospheric and Space Physics (LASP), at the University of Colorado Boulder. LASP, whose mission is to advance scientific discovery ...