Scientists use Earth’s shadow to hunt for alien probes

333 seconds-exposure containing 19 or more streaks due to Starlink satellites. Credit: CTIO/NOIRLab/NSF/AURA/DECam DELVE Survey For decades, astronomers have searched for signs of extraterrestrial intelligence using radio telescopes and optical…

Astronomers spot the ‘Eye of Sauron’ in deep space

The “Eye of Sauron”: plasma jet in the blazar PKS 1424+240, threaded by a nearly perfect toroidal magnetic field. High-energy gamma rays and neutrinos are strongly beamed toward Earth, even…

On its fifth try, SpaceX manages launch of competitor Amazon’s satellites

Credit: Unsplash/CC0 Public Domain SpaceX was not one of Amazon’s original choices to fly its Project Kuiper broadband internet satellites, but Elon Musk’s company just knocked out its second launch…

Astronauts return to Earth with SpaceX after 5 months at the International Space Station

In this image provided by NASA, SpaceX capsule carrying four astronauts, parachutes into the Pacific Ocean off the Southern California coast on Saturday, Aug. 9, 2025. Credit: Keegan Barber/NASA via…

US astronaut Jim Lovell, commander of Apollo 13, dead at 97

Astronaut Jim Lovell reads the news after his crew returned safely to Earth from a failed Moon mission in 1970. US astronaut Jim Lovell, the commander of the Apollo 13…

Five astronauts leave space station for trip back to Earth

After nearly five months onboard the International Space Station, an international crew of five astronauts began their descent back down to Earth on a SpaceX capsule Friday. US astronauts Anne…

The universe’s first stars unveiled in turbulent simulations

Mars life explorer should include an agnostic life finder

Artist’s concept of the Mars Life Explorer. Credit: Amy Williams Searching for life on Mars has been an explicit goal of the astrobiological community for decades. However, they have not…

Perseverance rover captures Mars vista as clear as day

Captured at a location called Falbreen, on May 26, 2025, 96 images were stitched together to create this 360-degree view. Credit: NASA/JPL-Caltech/ASU/MSSS The imaging team of NASA’s Perseverance Mars rover…

NASA races to put nuclear reactors on Moon and Mars

Signed by acting administrator Sean Duffy, the July 31 memo is the latest sign of the agency’s shift towards prioritizing human space exploration over scientific research under President Donald Trump’s…