The Red Potato Galaxy and its Stifling Neighbour
Galaxies surrounded by reservoirs of cold gas draw that gas into themselves and convert it into new stars.…
FCC approves launch of satellite designed to reflect sunlight back to Earth
The US Federal Communications Commission (FCC) approved a satellite launch on Thursday to test a reflector designed to…
Crews Move Artemis IV Liquid Hydrogen Tank
Crews at NASA’s Michoud Assembly Facility in New Orleans transport the 130-foot-tall Artemis IV liquid hydrogen tank out of…
Later this decade NASA plans to launch Dragonfly, a car-sized nuclear-powered drone that will fly from site to site across Saturn’s moon Titan
Picture a car-sized machine sitting on an orange, frozen plain. It powers up eight rotors, rises into a…
The computers guiding Voyager 1 through interstellar space process roughly 8,000 instructions per second; a modern smartphone processes more than 14 billion — yet that 1970s machine has operated for nearly half a century, farther from Earth than any spacecraft in history.
Voyager 1 is controlled by computers whose performance belongs to another technological era. A frequently repeated comparison puts…
Skylab cost roughly $2.2 billion, hosted nine astronauts across three missions and remained in orbit for just over six years — before breaking apart over Western Australia, where its remains became museum exhibits, Lucite-encased souvenirs and, according to local accounts, even a cattle trough.
Skylab began as one of the most ambitious machines the United States had ever placed in orbit and…
NASA’s Perseverance rover finds the strongest evidence yet of ancient life on Mars
The surface of Mars is no place for anything fragile. Radiation pours down, and the ground’s chemistry tears…
Watch Live as SpaceX Attempts Second Launch of Upgraded Starship
SpaceX is gearing up for the 13th test flight of its megarocket after an engine failure forced the…
Scientists think at least two of Uranus’s moons — Titania and Oberon — may harbour liquid water oceans beneath their icy crusts, kept warm not by the sun but by radioactive decay deep in their interiors. If true, they join a growing list of ocean worlds in the solar system
At nearly three billion kilometres from the Sun, the moons of Uranus receive little of the solar energy…
Astronomers fix a key error in measuring the Sun’s silver
Researchers have recalculated how much silver the Sun holds, and the answer is about 55 percent higher than…
How to safely watch the August 2026 solar eclipse in Portugal
The Portuguese Society of Ophthalmology is urging anyone planning to watch the eclipse to use only certified solar…
Chondritic meteorites may be the remains of escaped moons
The chondritic meteorites that land on Earth most often are the shattered remains of tiny moons that once…