Exoplanet LTT9779 b orbiting its host star. Image credit: Ricardo Ramírez Reyes (Universidad de Chile) Aside from the Moon, the brightest object in our night sky is planet Venus, whose…
Category: Space
Japan rocket engine explodes during test: official
Credit: JAXA A Japanese rocket engine exploded during a test on Friday, an official said, in the latest blow to the country’s space agency. The Epsilon S—an improved version of…
Dynamical dark energy might explain strange 21-cm signal
An artist’s representation of what the first stars to light up the universe might have looked like in the Cosmic Dawn. Credit: NASA/WMAP Science Team Dark energy may evolve in…
19th Northrop Grumman Mission Carries Experiments to International Space Station
Scientific investigations launching to the International Space Station on the 19th Northrop Grumman commercial resupply services mission for NASA include studies of fire suppression, gene therapy, atmospheric monitoring, and other experiments along with space-flown…
Webb Space Telescope reveals moment of stellar birth, dramatic close-up of 50 baby stars
The first anniversary image released Wednesday, July 12, 2023, by Space Telescope Science Institute Office of Public Outreach, shows NASA’s James Webb Space Telescope displaying a star birth like it’s…
Scientists use NASA MESSENGER mission data to measure chromium on Mercury
Color-coded chromium abundance map overlain on MESSENGER image of Mercury. Credit: Larry Nittler/ASU The origin of Mercury, the closest planet to the sun, is mysterious in many ways. It has…
A new technique uses remote images to gauge the strength of ancient and active rivers beyond Earth
Images from the Cassini mission show river networks draining into lakes in Titan’s north polar region. Credit: NASA/JPL/USGS Rivers have flowed on two other worlds in the solar system besides…
Solar storm on Thursday expected to make Northern Lights visible in 17 states
An aurora borealis, also known as the northern lights, is seen in the night sky in the early morning hours of Monday, April 24, 2023, near Washtucna, Wash. A solar…
Origins of Merging Black Holes in Galaxies Like Our Own
Stellar-mass black holes are celestial objects born from the collapse of stars with masses of a few to low hundreds of times that of our sun. Their gravitational field is…
Pulsars: New Access to the Universe
Precise as a clock: pulsars in the Milky Way form large-scale observatory for gravitational waves. Astronomical observatories are usually based on Earth and study the extreme processes in the universe…
