A Tool for Measuring the Mass of the Stars, Galaxies, and the Universe Gets a Tweak
How do scientists know the mass of the Universe? Measuring it has traditionally relied on knowing how many stars there are in galaxies, as well as clouds of gas and…
NASA’s Dark Universe-Seeking Nancy Grace Roman Space Telescope Launches
A SpaceX Falcon Heavy rocket with NASA’s Nancy Grace Roman Telescope on board is seen transiting the sun during launch from Launch Complex 39A, Sunday, Aug. 30, 2026, at NASA’s…
Liftoff! NASA’s Roman Space Telescope soars to the stars on a SpaceX Falcon Heavy rocket in spectacular launch (video)
CAPE CANAVERAL, Fla. — A new era of astronomy is about to begin after NASA’s newest flagship observatory leaped from the terrestrial bounds of Earth into the vastness of space…
Ancient Dust Grains Hold Magnetic Clues to the Sun’s Birth
Those little dust grains that fall to Earth during meteor showers or end up as part of larger meteorites found on Earth may hold surprising clues to the formation of…
Spaceflight Leaves Heart Muscle Cell Strength Intact
Since the dawn of human space exploration, astronauts, scientists, and engineers have examined the short- and long-term effects of microgravity (often mistakenly called zero-gravity) on the human body. This includes…
NASA’s Roman Space Telescope is ready for launch aboard SpaceX Falcon Heavy rocket
A new flagship observatory is about to launch to space and join the ranks of its powerful predecessors, like the Hubble and James Webb space telescopes. NASA’s groundbreaking new Nancy…
NASA Announces Next Steps for Swift Rescue Mission
Due to an ongoing commercial spacecraft attitude control issue, NASA and Katalyst Space announced Wednesday the LINK spacecraft will attempt to conduct rendezvous and proximity operations with NASA’s Neil Gehrels…
This Week In Space podcast: Episode 225 — Get a Grip!
On Episode 225 of This Week In Space, Rod Pyle and Tariq Malik are joined by Adam Kall of KMI to discuss their work on the ISS, the goals of…
When is the next lunar eclipse?
August’s “almost Blood Moon” partial lunar eclipse has come and gone, delighting stargazers with a gorgeous natural light show as light filtered by our planet’s atmosphere turned it a deep…
On this day in space! Aug. 29, 1965: NASA’s Gemini 5 breaks spaceflight duration record after 2 astronauts spent ‘8 days in a garbage can’
On Aug. 29, 1965, two NASA astronauts returned from their record-breaking Gemini 5 mission. Astronauts Gordon Cooper and Pete Conrad spent eight days in Earth orbit, and for the first…