At least two mass extinction events in Earth’s history were likely caused by the “devastating” effects of nearby supernova explosions,...
Not long to go now: After more than nine months on the International Space Station, two astronauts are a step...
Blazars are active galaxies that emit narrow jets of ionized matter from their centers, aimed towards Earth. Depending on properties...
Gravitational lensing often evokes images of a cosmic funhouse mirror: duplicated galaxies, dramatic arcs and distorted shapes. But the web-like,...
Powering spacecraft with solar energy may not seem like a challenge, given how intense the Sun’s light can feel on...
Life may not have begun with a dramatic lightning strike into the ocean but from many smaller “microlightning” exchanges among...
Astrophysicists have once again enriched our knowledge of the cosmos with a new discovery: two small planets orbiting TOI-1453. Located...
On the way to investigate the scene of a historic asteroid collision, a European spacecraft swung by Mars and captured...
When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish...
More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of...
Scientists have identified a promising new way to detect life on faraway planets, hinging on worlds that look nothing like...
A new study by Rice University researchers Sho Shibata and Andre Izidoro presents a compelling new model for the formation...
