A recent study by researchers at the SETI Institute in collaboration with the Characterizing Atmospheric Technosignatures…
Category: Earth Sky
What if Bennu hit Earth? Simulations suggest catastrophe
What if Bennu hit Earth? The asteroid has a 1-in-2,700 chance of hitting our planet in…
Boom! Galaxy with 9 rings nicknamed the Bullseye
This ringed galaxy with 9 rings – known previously as LEDA 1313424 – has been nicknamed…
KA-BOOM! Mars shakes when meteors hit its surface
A rock from space slammed into Mars in February 2021, causing seismic waves that reached NASA’s…
Possible smallest exoplanet found … and it orbits a pulsar
View larger. | Artist’s concept of the 3-star system containing the pulsar called PSR J0337+1715. New…
Lightsails, and the audacious plan to reach the stars
In recent decades, technological advances have opened up the possibility of light-powered space travel at a…
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…