Follow the foot traffic. Sidewalk astronomers often set up at street fairs, outdoor events, nightlife hotspots, or by any venue where a lot of people tend to pass by. If you want to set up at an event ...

The projects receiving this year's grants include a Solar System shadow-tracker, a new telescope tool, and an asteroid database The Planetary Society has supported innovative science and technology ...

Prior to the inaugural launch of SpaceX’s Starship spacecraft aboard its enormous Super Heavy rocket, environmental policy expert Eric Roesch was outspoken about the likelihood of significant ...

Annular eclipses are a very special type of solar eclipse. During an annular eclipse, the Moon is centered in front of the Sun but doesn’t completely obscure it, instead leaving a ring of sunlight ...

Our search for planets around other stars in our galaxy has yielded us more than 4,500 worlds. Quite a few of these exoplanets seem to be Earth-like, where surface conditions could sustain liquid ...

The odds of there being other planets like Earth in the Universe are heavily stacked in our favor. If every planet in our galaxy were the size of a basketball, you could stretch them in a line from ...

HANNAH WAKEFORD is the Giacconi Fellow at the Space Telescope Science Institute in Baltimore, Maryland. GJ1214b GJ 1214b is a "super-Earth" orbiting a small star located 40 light-years from our solar ...

In February 2026, Jennifer Vaughn took the helm as chief executive officer of The Planetary Society. Jenn first joined the Society’s staff in 1997 as an editorial assistant for The Planetary Report, ...

The farside also lacked the Moon’s familiar dark splotches. Formed as a result of active volcanism over 3 billion years ago, it was anyone’s guess why dark lava plains cover about 31% of the nearside ...

In the time it takes our planet to go around the Sun, we do a lot of exploring. This year, new missions took off, a powerful observatory began examining the sky, and seasoned spacecraft kept up their ...

Though once considered our solar system’s ninth planet, Pluto was reclassified as a dwarf planet in 2006. Pluto is a Kuiper Belt object, meaning it lies within a thick disc of worlds beyond Neptune.