The 1st cargo delivery mission to the International Space Station by Dream Chaser Tenacity, an uncrewed spaceplane from Sierra Space, is delayed until 2025.
Evidence suggests a celestial body exploded in Earth's atmosphere 12,800 years ago. The comet burst may have cooled the climate for around 1,200 years.
The Landolt Space Mission will orbit an artificial star to aid with telescope calibration. Better data will lead to new insights on a range of cosmic mysteries.
Chinese moon mission Chang'e 6 brought to Earth the 1st sample of the far side ever taken on Tuesday, June 25, 2024. It reached the lunar surface on June 1.
Analysis of El Gordo galaxy cluster's behavior suggests it might be a result of self-interacting dark matter. It may give insight into dark matter's nature.
Seafloor sediments provided new evidence that a 2.4 million-year-long resonance between Mars and Earth affects long-term changes in ocean currents and temps.
A group of astronomers say their data point to a lunar origin for the near-Earth asteroid Kamo'oalewa, and that crater Giordano Bruno is the likely source.
Award-winning reporter and editor Dave Adalian's fascination with the cosmos began during a long-ago summer school trip. That fieldtrip never ended, and still Dave pursues adventures under the night sky.
Dave grew up in California's Tulare County - where the San Joaquin Valley meets the Sierra Nevada - a wilderness larger than Delaware and Rhode Island combined.
He studied English, American literature and mass communications at the College of the Sequoias and the University of California, Santa Barbara. He has worked as a reporter and editor for a variety news publications on- and offline during a career spanning more than 30 years.