Magazine | Page 74 of 278 | Astronomy.com

Is radiation beneficial?

I have heard that exoplanet Kepler-1625b might have an exomoon. Is it possible for two planets to be in a binary system around a single star?

Observing, Planets

Mars and Saturn rendezvous

Great Deceiverism 101

Does (or will) the planet Venus get hotter as years and centuries pass, or will it stay at the same temperature?

Which supernova did Tycho observe in 1572?

Deep-Sky Objects, Observing

The Leo Trio plus one

Is Jupiter’s moon Io gradually losing mass because of all the volcanic activity? And if so, what will be the moon’s final fate?

Entice the masses

Web Extra: Remembering Stephen Hawking

Starmus Advisory Board remembers Stephen Hawking

McDonald Observatory to Train National Park Service in Skywatching Programs for Visitors