A new mission designed to better understand the heliosphere will be the first to map in three dimensions how the solar corona becomes the solar wind.
The James Webb Space Telescope has joined the hunt for dark matter, aiding cosmic detectives in searching for signals indicating axion decay.
NASA launching its SPHEREx and PUNCH space missions on March 2 at 10:09 p.m. ET.
Astronomers were surprised to see the behavior of ultrafaint dwarf galaxies located in the Hydra cluster.
Observations from the European Southern Observatory's Very Large Telescope helped show that the expected trajectory of asteroid 2024 YR4 poses nearly zero risk of impacting Earth in 2032.
In March 2025 we have a fine opportunity to view the planet that many astronomy guide books refer to as the most difficult of the naked-eye planets to see: Mercury.
The Lucy mission to Jupiter's Trojan asteroids is currently cruising through the Asteroid Belt, and will fly close to asteroid Donaldjohanson in April.
The final chapter of the Star Wars prequel trilogy, 'Revenge of the Sith', turns 20 this year, and Disney and Lucasfilm are bringing it back to theaters to celebrate.
NASA's PUNCH and SPHEREx missions are scheduled to launch no earlier than Friday (Feb. 28). Here's what each is built to do, and why they could yield some terrific results for astronomers.
A propellant leak was to blame for the upper stage of a Falcon 9 rocket crashing to Earth over Europe last week, SpaceX says.