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Indeed, that is quite an improved estimate. Thirty-five years ago, the estimate was that Gliese 710 would come within a comfortable 3 lightyears in...

And I notice that Phil Plait has written a piece about this experiment in his latest post.

I always wanted to live to see the sun's planetary nebula. Now I read that the sun may be a little too small to have a decent planetary nebula. Well,...

Or maybe not all that trivial. I watched a YouTube video, hot off the computer. I was going to comment on it. Except the latest comment was from...

I probably won't still be alive, but you never know!

All data from the last flight, that's what they've got to lose. Nothing else. Oxygen extraction obviously is a major thing for future...

There is a fact article by one of the original scientists on this issue is in the Analog for May 2021.

Before they abandon her, I'd like to see them try an extended mission. A scouting mission ahead of Percy to scout interesting targets. What have...

We don't take a daily newspaper, but do subscribe to the local weekly. They always have Police Log and Sheriff's Log articles, listing calls to...

Climbing on a boa? That sounds dangerous...

Hopefully videos will follow. It takes time to top up Ingenuity’s batteries and send the data to the rover. And then to transmit to Earth.

I couldn't find a video of the second flight, but web pages indicate it was a successful test tilting this time and moving horizontally.

NASA’s Ingenuity logs second successful flight https://mars.nasa.gov/news/8928/nasas-ingenuity-mars-helicopter-logs-second-successful-flight/

I just read in Aviation Week that Ingenuity will only be used for 30 days then abandoned so Perseverence can get on with her primary mission. That...

I'm concerned about the Oscars. I watch clips of The Late Show online, and Stephen Colbert's musical director, Jon Batiste, is one of the nominees...

Betelbot continues to report brightnesses in the ~80% range compared to "average". CJSF

Here's an interesting one, not really inter-stellar but more Voyager like from China Maybe Neptune, Uranus or Pluto, they also presented...

The latest article on the CSS is by Scientific American "China Is Set to Launch First Module of Massive Space Station" ...

"China Orbiting 400 Satellites, Heading for 1,000 by 2030, US Space Command Chief Says" My estimate - it will be a few times bigger - they aim to...

The second article you posted has some details embedded within it (power point presentation). ...

Getting ready for Ingenuity’s second flight. 22April 2021 This time they will test the colour camera on Ingenuity, it seems. We haven’t seen...

I am extremely far from knowledgeable in this area but the extraction of oxygen from the Martian atmosphere does seem to be a pretty significant...

I guess it depends on the source but a lot of the protein is probably what is leftover after the stuff fit for human consumption has been used. I...

Research published in the peer-reviewed journal Geophysical Research Letters finds evidence of phosphine (and other molecules indicative of...