
Right before exploding, this star puffed out a sun's worth of mass
A supernova that recently exploded in the Pinwheel Galaxy has revealed hitherto unknown information about the final days of the star that exploded.
A supernova that recently exploded in the Pinwheel Galaxy has revealed hitherto unknown information about the final days of the star that exploded.
China's Shenzhou 16 astronauts conducted an eye-raising experiment in space involving open flames aboard the Tiangong space station.
NASA is forming a response team after an independent review board examined the agency’s ongoing plans and objectives for its upcoming mission to retrieve samples from Mars.
Iran sent its 3rd military satellite to orbit on Wednesday (Sept. 27), lofting the Noor 3 spacecraft atop a Qasem rocket.
As commercial space flights increase, experts urge clear ethical guidelines on research involving passengers in the absence of existing ethical frameworks.
The Japan Aerospace Exploration Agency (JAXA) Is making progress on its rover for a joint mission with India to the south pole of the moon.
The radio signals hint at an important evolutionary step in the lives of galaxies.
NASA's OSIRIS-REx asteroid sample-return mission will return pieces of asteroid Bennu to Earth on Sept. 24, 2023. Follow the historic landing live here.
The moon's shadow will travel as fast as 7,000 mph on Oct. 14 and as slow as 1,700 mph. We explore what affects the speed of a solar eclipse.
NASA space shuttle astronaut Jan Davis first read her father's letters about being a WWII prisoner of war in 2020. The collection inspired her to write a new memoir, called "Air Born."
A collision between two ancient icy moons that may have once orbited Saturn could have given rise to the planet's iconic ring system, a new study reveals.
The Dark Ages are the period of time between the Big Bang and the birth of stars and galaxies.
NASA's Psyche mission is set to launch atop a SpaceX Falcon Heavy rocket on Oct. 12.
New research has found the jet blasting outward from this black hole swings like a pendulum on an 11-year cycle.
Over two decades of data from NASA’s Chandra X-ray Observatory helped scientists craft a stunning new video of a historic stellar eruption.
The Federal Aviation Administration has finished investigating the failure suffered by Blue Origin's New Shepard suborbital vehicle on Sept. 12, 2022.
Japan's SLIM lunar lander has sent back an eerie image of Earth as a test of the camera it will use to help it land accurately on the moon a few months from now.
The next supercontinent, Pangea Ultima, is likely to get so hot so quickly that mammals cannot adapt, a new supercomputer simulation has forecast.
The observatory's star navigation system and sun protective devices have presented with anomalies.