NASA highlights potential evidence of past life in Martian rock
Scientists have found potential evidence of past life on Mars in a rock sample collected by a NASA rover, even as a proposed budget cancels plans to return those samples.…
NASA Uses Colorado Mountains for Simulated Artemis Moon Landing Course
4 Min Read NASA Uses Colorado Mountains for Simulated Artemis Moon Landing Course NASA has certified a new lander flight training course using helicopters, marking a key milestone in crew…
SpaceX buys $17 billion worth of satellite spectrum to beef up Starlink broadband service
SpaceX just bought $17 billion worth of satellite spectrum from debt-ridden operator EchoStar to enhance Starlink direct-to-cell phone connectivity.
Makemake’s Secret Finally Revealed
As someone who has lectured for more years than I care to remember and written books about space, I’ve grown accustomed to constantly rewriting sections as new discoveries emerge. The…
A Bi-Directional Plasma Thruster Could Deorbit Space Junk Safely
There are plenty of labs working on solutions to Kessler Syndrome, where there’s so much debris in low Earth orbit that rockets are no longer capable of reaching it without…
One Wrong Hit Could Send an Asteroid on a Collision Course with Earth
It was a chilly night when I peered through my 10” Meade LX200 telescope from Norfolk in the UK! I wasn’t completely convinced it would appear nor even be visible…
This Wandering Black Hole Has Left Its Galactic Center
Traditionally, black holes are usually thought to reside at the centers of galaxies. However, a research team led by Dr. An Tao from the Shanghai Astronomical Observatory of the Chinese…
The Earth Observer Editor’s Corner: July–September 2025
Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam Announcements More Archives Conference Schedules Style Guide 13 min read…
Sci-fi is the genre of ideas — it shouldn’t just be about big budgets and spectacular visuals
In an era when TV shows look like movies, have we lost sight of what should make sci-fi great?
Summary of the 11th ABoVE Science Team Meeting
Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam Announcements More Archives Conference Schedules Style Guide 21 min read…