
Aerojet completes design milestone for AR1 Engine
Aerojet Rocketdyne has completed a key design milestone for its AR1 rocket engine this week. AR1 is an American-made engine that is being developed as a direct replacement for the Russian-made RD-18 ... more
|  |

Preparing for the Unexpected in Space
There is a common thread through all of the speculation - informed and otherwise - about future conflicts on the global stage: Expect the unexpected. It's an axiom built upon lessons learned over ce ... more
|  |
New U.S.-European Sea Level Satellite Will Help Safeguard Ships at Sea
Planet captures first light from Pelican-3 satellite as constellation expands
Trump signs memorandum to deploy U.S. National Guard troops to Memphis
|  |

Schriever Wargame 2025 Concludes
The Schriever Wargame 2015 concluded here last week. Set in the year 2025, Schriever Wargame 2015 explored critical space issues in depth.
The objectives of the Wargame centered on: 1) identif ... more
|

China's New 'Carrier-Killer' Missile Goes Nuclear
China's new 'carrier-killer' DF-26 missile is capable of going nuclear and more mobile, with the intent of becoming a deterrent against conflict in the South China Sea.
The DF-26 anti-ship bal ... more
|  |

Detailed picture of the chemical structure of oceans 520M years ago emerges
Ocean chemistry has strongly shaped the evolution of life and biogeochemical cycles on the Earth. Although it was known that the early oceans (>520 million years ago) were characterized by strong wa ... more
|
 |

Plants crawled onto land earlier than we give them credit, genetic evidence suggests
Plant biologists agree that it all began with green algae. At some point in our planet's history, the common ancestor of trees, ferns, and flowers developed an alternating life cycle - presumably al ... more
|  |

A wax shield to conquer the Earth
Having emerged late during evolution, seeds have transformed many plants into miniature travelers, contributing greatly to their colonization of terrestrial habitats. Researchers at the University o ... more
|