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 ...

Should I be worried about asteroids hitting Earth? You shouldn’t lose sleep over it. Damaging asteroids do not hit Earth very often. But you should care about it, because dangerous asteroids have ...

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 ...

When an astrobiologist says “life is hard,” they may be speaking on a cosmic level. They could mean that life itself is a puzzle we are nowhere near solving. “We’re like second graders when it comes ...

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 ...

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.

The features you see on the Moon’s surface formed billions of years ago after asteroids and comets bombarded the inner solar system, possibly bringing water and the ingredients for life to Earth. NASA ...

Total solar eclipses generate a lot of excitement, and for good reason: being in the path of totality is an amazing experience. But that doesn’t mean it’s the only way to enjoy an eclipse. Witnessing ...