Webb telescope detects possible signs of life on distant planet

Located about 120 light-years from Earth in the constellation Leo, K2-18 b lies within the habitable zone of a nearby star.

NASA's Mars rover instrument MOXIE generates enough oxygen for small dog

The Mars Oxygen In-Situ Resource Utilization Experiment, or MOXIE, is a microwave-sized device that takes unbreathable Martian air and turns it into oxygen humans – and dogs – rely on.

NASA astronaut Frank Rubio breaks US record for longest spaceflight

NASA astronaut Frank Rubio now holds the record for the longest U.S. spaceflight. Rubio surpassed the U.S. record of 355 days on Monday at the International Space Station.

Rare 'Red Leader' X-wing Starfighter miniature from 'Star Wars' hits auction block at $400K

Star Wars enthusiasts have a unique opportunity as a historic relic from the iconic franchise, the "Red Leader" X-wing Starfighter filming miniature, is set to be auctioned by Heritage Auctions.

Grizzly bear that mauled Montana hunter goes missing, prompting all-out search

Officials have closed part of the Custer Gallatin National Forest in southwestern Montana after a hunter was severely mauled by a grizzly bear.

Watch: NOAA scientists find mysterious, shiny orb-like object on seafloor

Video from NOAA shows the vessel’s remotely operated arm carefully "tickle" the object before picking it up and sucking it into a vacuum-like tube.

New comet to sweep past Earth: How and when to see it

Stargazers should catch a glimpse of the comet as soon as possible — it will be another 400 years before it returns.

NASA releases first images from pollution-monitoring satellite in space

NASA has shared this week the first images from TEMPO, the agency’s first space-based instrument designed to continuously measure air quality over North America, and do so with the resolution of a few square miles.

Pentagon to release declassified UFO photos, videos and reports on new website

The Pentagon on Thursday announced the launch of a new website with the All-domain Anomaly Resolution Office (AARO), which will provide the public with declassified information about UFOs, or what the government calls unidentified anomalous phenomena (UAPs).

Rare super blue moon spectacle treats stargazers worldwide to stunning scenes

The stunning astronomical phenomenon created an awe-inspiring setting that took center stage from the Pyramids of Giza in Egypt, towering skyscrapers in Madrid and serene open fields of America's heartland.

Rare blue supermoon to appear this week: What to know

NASA says a Blue Moon refers not to its color but to any month with two full moons in the 29.5-day lunar cycle.

India becomes fourth country to land on the moon, first near the south pole

India’s successful moon landing comes just days after Russia’s Luna-25, which was aiming for the same lunar region, spun into an uncontrolled orbit and crashed.

Russia's moon mission crash dents pride, reflects deeper problems with its space industry

Russian state television had hailed the spacecraft as the country’s triumphant entry into a new moon race, but since the crash, the broadcasters have tried to play down the loss of the robotic probe.

James Webb Space Telescope captures new beauty of dying star

The ring nebula captured by James Webb Space Telescope's NIRCam is 2,500 light-years away and known as M57 and NHC6720. NIRCam's sensitivity captures new details of the structures within the celestial object.