Posts by 

Dave Adalian

Dream Chaser spaceplane 1st launch delayed until 2025

The 1st cargo delivery mission to the International Space Station by Dream Chaser Tenacity, an uncrewed spaceplane from Sierra Space, is delayed until 2025.

Did a comet burst crash Earth’s climate 12,800 years ago?

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.

Artificial star to help probe a range of cosmic mysteries

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.

Chang’e 6 moon mission returns 1st far side sample to Earth

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.

Did colliding dark matter shape the El Gordo galaxy cluster?

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.

Trillions of cicadas emerged across parts of the U.S. in 2024

Two broods of cicadas emerged across parts of the U.S. in 2024. They may have been plentiful and loud, but they're basically harmless.

SpaceX Starship 4th test flight: Lots of successes

The SpaceX Starship - the world's most powerful rocket - had a successful 4th test flight on Thursday, June 6, 2024. Watch it again here.

What drove Snowball Earth? A drop in a greenhouse gas

Geologists believe a drop in carbon dioxide lasting millions of years caused Earth to freeze into Snowball Earth about 700 million years ago.

Gravity between Mars and Earth drives climate and currents

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.

Was asteroid Kamo’oalewa blasted from this moon crater?

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.