In recent decades, technological advances have opened up the possibility of light-powered space travel at a…
Category: Earth Sky
Is the moon geologically dead? Maybe not, says new evidence
NASA’s Lunar Reconnaissance Orbiter captured this mosaic image of the far side of the moon. For…
The mass of a star is determined from binary star systems
Artist’s concept of the binary star system of Sirius A and its small blue companion, Sirius…
Powerful cosmic explosion could be a new class of event
This artist’s concept illustrates the shredded remains of a star after a tidal disruption event. Scientists…
Asteroid Bennu reveals conditions for life, but with twist
Technicians carrying the precious sample of asteroid Bennu in 2023. The sample was headed for a…
Using exploding white dwarfs to measure the universe
Artist’s illustration of the Rubin Observatory scanning the night sky for white dwarf supernovae. These are…
Juno spots most extreme volcanic activity on Io to date
This image, taken by the Jovian Infrared Auroral Mapper (JIRAM) infrared imager aboard NASA’s Juno spacecraft…
Asteroid 2024 YR4 has non-zero odds of hitting Earth
Artist’s illustration of an asteroid approaching Earth. The Catalina Sky Survey discovered an asteroid on December…
A super-Venus exoplanet (with a watery name)
View larger. | Artist’s concept of the exoplanet – a world orbiting a distant star –…
New images of exocomet belts around 74 nearby stars
Here’s one of the newly imaged exocomet belts, around the star HD216956. The new study found…