Alexandra Witze
@alexwitze.bsky.social
Science journalist and correspondent for Nature (she/her). Reach me at alexwitze.01 (Signal), witzescience (@gmail.com), or awitze (@protonmail.com).
Amazing images from the Rubin observatory displayed tonight at #AAS247 in Phoenix, at the Arizona Science Center. This is the Trifid and Lagoon Nebulae first light image projected on a planetarium dome.
January 6, 2026 at 4:49 AM
Amazing images from the Rubin observatory displayed tonight at #AAS247 in Phoenix, at the Arizona Science Center. This is the Trifid and Lagoon Nebulae first light image projected on a planetarium dome.
We are SO EXCITED to have this too especially Phoebe who is waiting for HER OWN MOON
also the box is THE BEST
also @arielwaldman.com every day!
also the box is THE BEST
also @arielwaldman.com every day!
December 1, 2025 at 11:23 PM
We are SO EXCITED to have this too especially Phoebe who is waiting for HER OWN MOON
also the box is THE BEST
also @arielwaldman.com every day!
also the box is THE BEST
also @arielwaldman.com every day!
NASA's pix of the interstellar comet 3I/ATLAS are now up science.nasa.gov/solar-system...
This is the HiRISE/MRO image ⬇️
This is the HiRISE/MRO image ⬇️
November 19, 2025 at 8:27 PM
NASA's pix of the interstellar comet 3I/ATLAS are now up science.nasa.gov/solar-system...
This is the HiRISE/MRO image ⬇️
This is the HiRISE/MRO image ⬇️
November 12, 2025 at 2:32 AM
Aurora’s out!
Taken in Colorado, 40 degrees north
Taken in Colorado, 40 degrees north
November 12, 2025 at 1:56 AM
Aurora’s out!
Taken in Colorado, 40 degrees north
Taken in Colorado, 40 degrees north
The Moon, Venus and Regulus in the predawn sky, from Colorado. #skywatching
September 19, 2025 at 12:09 PM
The Moon, Venus and Regulus in the predawn sky, from Colorado. #skywatching
“Nothing in the Dark,” Twilight Zone episode, 1962. RIP.
September 16, 2025 at 1:31 PM
“Nothing in the Dark,” Twilight Zone episode, 1962. RIP.
I … don’t know what to do with this matchup. But here is Pollux (RIP) so we’re going #pollucite all the way ❤️
September 8, 2025 at 1:37 AM
I … don’t know what to do with this matchup. But here is Pollux (RIP) so we’re going #pollucite all the way ❤️
Important office decor update!
Tissue box switch is happening….
Left: out
Right: in
Thank you @phaneritic.bsky.social for my @mountsthelens1980.bsky.social tissue box! 🤩🌋
Tissue box switch is happening….
Left: out
Right: in
Thank you @phaneritic.bsky.social for my @mountsthelens1980.bsky.social tissue box! 🤩🌋
July 11, 2025 at 8:04 PM
Important office decor update!
Tissue box switch is happening….
Left: out
Right: in
Thank you @phaneritic.bsky.social for my @mountsthelens1980.bsky.social tissue box! 🤩🌋
Tissue box switch is happening….
Left: out
Right: in
Thank you @phaneritic.bsky.social for my @mountsthelens1980.bsky.social tissue box! 🤩🌋
June 14, 2025 at 7:34 PM
We have NASA's proposed budget for FY26, and it is brutal to science. Earth science would be cut by more than half. Astrophysics (like JWST, Hubble) by nearly two-thirds. Full details at www.nasa.gov/fy-2026-budg...
May 30, 2025 at 8:17 PM
We have NASA's proposed budget for FY26, and it is brutal to science. Earth science would be cut by more than half. Astrophysics (like JWST, Hubble) by nearly two-thirds. Full details at www.nasa.gov/fy-2026-budg...
I have Reviewer #2
Always critical of the amount of tuna in the house
Always critical of the amount of tuna in the house
May 19, 2025 at 9:10 PM
I have Reviewer #2
Always critical of the amount of tuna in the house
Always critical of the amount of tuna in the house
Here at the ASSW Arctic science conference in Boulder, a poster describing research done with US federal funds has words including “ethical” and “equity” crossed out. 🧪
March 26, 2025 at 7:05 PM
Here at the ASSW Arctic science conference in Boulder, a poster describing research done with US federal funds has words including “ethical” and “equity” crossed out. 🧪
two leopards in repose
March 13, 2025 at 12:32 AM
two leopards in repose
March 8, 2025 at 12:24 AM
#StandUpForScience Denver. Photo by Jeff Kanipe.
March 7, 2025 at 9:48 PM
#StandUpForScience Denver. Photo by Jeff Kanipe.
This is Courtney. She’s about to graduate with her PhD in neuroscience from the University of Colorado. She made this sign in 2017 for the first science march and has had it in her lab ever since.
“In 2017 we felt science was being attacked. Now it actually is.”
#StandUpForScience Denver
“In 2017 we felt science was being attacked. Now it actually is.”
#StandUpForScience Denver
March 7, 2025 at 9:29 PM
This is Courtney. She’s about to graduate with her PhD in neuroscience from the University of Colorado. She made this sign in 2017 for the first science march and has had it in her lab ever since.
“In 2017 we felt science was being attacked. Now it actually is.”
#StandUpForScience Denver
“In 2017 we felt science was being attacked. Now it actually is.”
#StandUpForScience Denver
At the #StandUpForScience march in Denver
March 7, 2025 at 8:34 PM
At the #StandUpForScience march in Denver
This morning, the US National Science Foundation fired 168 employees, approximately 10% of its workforce, for no cause other than they were the agency's most recent hires. 🧪
Co-workers are leaving supportive messages before they have to clear out of the building at 5 p.m. Sent to me by a source ⬇️
Co-workers are leaving supportive messages before they have to clear out of the building at 5 p.m. Sent to me by a source ⬇️
February 18, 2025 at 9:00 PM
This morning, the US National Science Foundation fired 168 employees, approximately 10% of its workforce, for no cause other than they were the agency's most recent hires. 🧪
Co-workers are leaving supportive messages before they have to clear out of the building at 5 p.m. Sent to me by a source ⬇️
Co-workers are leaving supportive messages before they have to clear out of the building at 5 p.m. Sent to me by a source ⬇️
The floofs send support to you and yours
January 13, 2025 at 2:08 AM
The floofs send support to you and yours
Got you at last, you little bastard
October 16, 2024 at 2:58 AM
Got you at last, you little bastard