These earthly godfathers of Heaven's lights, that give a name to every fixed star, have no more profit of their shining nights than those that walk and know not what they are.

— William Shakespeare

Astronomy

Ceres may have been habitable at just half a billion years old

A billion or so years into its evolution, the icy dwarf planet Ceres may have had the right conditions to sustain life, which indicates the solar system may be more habitable than we thought
Categories: Astronomy

Super-cool cement could stop buildings trapping heat inside

A new formulation of cement reflects and emits heat more effectively than normal Portland cement, so it stays much cooler on a hot day
Categories: Astronomy

This Chappell Roan song boosted interest in a Canadian dark sky preserve by 1,800%

Space.com - 6 hours 3 min ago
Chappell Roan mentioned Canada's Saskatchewan just days before Cypress Hills Interprovincial Park hosts a "star party" festival in its dark-sky park.
Categories: Astronomy

A new angle on brain health could bring much-needed new treatments

Psychiatric medicine hasn't changed much since the 1960s. Could blocking the effects of chronic inflammation on the brain be the step change we need?
Categories: Astronomy

New tactical roguelite game 'Battlestar Galactica: Scattered Hopes' sees you escape the Cylons with a full fleet of spaceships (video)

Space.com - 7 hours 3 min ago
Battlestar Galactica meets FTL in this just-announced "story-rich tactical roguelite" from the makers of Crying Suns.
Categories: Astronomy

Russia launches mice, microbes and more on monthlong mission to Earth orbit (video)

Space.com - 7 hours 36 min ago
Russia launched its Bion-M No. 2 biosatellite today (Aug. 20), sending 75 mice, 1,000 fruit flies and other organisms to orbit to learn more about the health effects of spaceflight.
Categories: Astronomy

Watch a bright fireball explode above Japan, turning night to day (video)

Space.com - 8 hours 3 min ago
A fireball exploded into life in the skies above Japan on Aug. 19, briefly turning night to day before fragmenting close to the horizon.
Categories: Astronomy

Viking 1 Begins Journey to Mars

NASA Image of the Day - 8 hours 10 min ago
Viking 1 was launched by a Titan-Centaur rocket from Complex 41 at Cape Canaveral Air Force Station at 5:22 p.m. EDT on Aug. 20, 1975, to begin a half-billion mile, 11-month journey through space to explore Mars. The 4-ton spacecraft went into orbit around the red planet in mid-1976 and landed on Mars on July 20, 1976.
Categories: Astronomy, NASA

Physicist Frank Wilczek’s unique insights on the nature of reality

Frank Wilczek has one of the most brilliant and original minds in theoretical physics, having come up with the idea of time crystals among much else. Where is his curiosity taking him now?
Categories: Astronomy

Nuclear fusion gets a boost from a controversial debunked experiment

A 1989 experiment offered the promise of nuclear fusion without the need for high temperatures, but this "cold fusion" was quickly debunked. Now, some of the techniques involved have been resurrected in a new experiment that could actually improve efforts to achieve practical fusion power
Categories: Astronomy

Artificial superfood for bees boosts colony reproduction

A dietary supplement made from engineered yeast could help honeybees thrive despite the declining availability of high-quality pollen in their environment
Categories: Astronomy

Acting NASA administrator Sean Duffy says the agency will 'move aside' from climate sciences to focus on exploring moon and Mars

Space.com - 9 hours 3 min ago
Acting NASA Administrator Sean Duffy says it's time for the agency to focus on the moon and Mars, not the "smorgasbord of priorities," like climate science, the agency has been directing its resources.
Categories: Astronomy

Pragmata rethinks sci-fi shooter combat, and it owes a lot to Snake (preview)

Space.com - 10 hours 3 min ago
After five years, Pragmata could have been unambitious, but instead, it's a fascinating and innovative sci-fi game with heaps of potential.
Categories: Astronomy

NASA and IBM built an AI to predict solar flares before they hit Earth

An AI model trained on years of data from NASA’s Solar Dynamics Observatory can predict the sun’s future appearance and potentially flag dangerous solar flares
Categories: Astronomy

South Korea's K-RadCube radiation satellite will hitch a ride on NASA's Artemis 2 moon mission

Space.com - 11 hours 3 min ago
South Korea's K-RadCube satellite has arrived at NASA's Kennedy Space Center in Florida ahead of its launch toward the moon on the Artemis 2 mission next year.
Categories: Astronomy

Astronauts get stuffy noses in space because of microgravity, scientists find

Space.com - 12 hours 3 min ago
Scientists are calling attention to an extremely common health problem that's been making astronauts uncomfortable: sinus issues.
Categories: Astronomy

Semiconductor wafer on ISS goes under the microscope | Space photo of the day for Aug. 20, 2025

Space.com - 13 hours 3 min ago
This is part of a NASA-supported project hoping to fabricate "device-ready" wafers from space-grown crystals.
Categories: Astronomy

'Warhammer 40k: Dawn of War 4' revealed, with a new developer promising a return to 'mass-battle, base-building roots' (video)

Space.com - 14 hours 3 min ago
Warhammer 40K's most iconic real-time strategy series is back next year and under new leadership.
Categories: Astronomy

Nocs Provisions Zero Tube 10x25 waterproof monocular review

Space.com - 14 hours 37 min ago
Your new favorite lightweight spotting companion — the Noca Provisions Zero Tube.
Categories: Astronomy

SpaceX partners with astronomers to protect radio astronomy from satellite interference

Space.com - 15 hours 3 min ago
An automated system co-developed by SpaceX prevents disruption to radio astronomical observations caused by megaconstellations in low Earth orbit.
Categories: Astronomy