NASA administrator Bill Nelson said on Friday that Russia is still committed to the International Space Station despite recent threats to end cooperation on the station from the head of its state-run space agency.
Why it matters: Roscosmos director general Dmitry Rogozin has repeatedly threatened to pull out of the space station and allow it to fall back to Earth in an uncontrolled deorbit in protest of sanctions on Russia for its unprovoked invasion of Ukraine.
"Saturday Night Live" comedian Pete Davidson will no longer head to space on Blue Origin's next flight, the company announced late Thursday.
The latest: Blue Origin delayed the launch date six days to March 29 and said in a tweet that "Pete Davidson is no longer able to join the NS-20 crew on this mission."
The UN Intergovernmental Panel on Climate Change (IPCC) is set to report its next slate of findings, focused on mitigating global warming, on April 4.
Why it matters: The IPCC's conclusions on how to avert the most severe consequences of global warming will help guide policymakers and business leaders as they aim to cut emissions.
The White House has warned Russia could use unsupported claims about biological and chemical weapons development in Ukraine as cover for escalating the war there, underscoring the power — and limits — of chemical and biological forensics.
The big picture: Allegations that chemical or biological weapons have been used can be difficult to investigate and are one way for a country to create a pretext for aggression.
The European Space Agency suspended its Mars rover mission on Thursday in response to Russia's invasion of Ukraine, after Russia's state-run space agency halted its operations at Europe's spaceport.
Why it matters: ESA's ExoMars rover mission, Europe's first-ever rover mission to the Red Planet to search for signs of life, was set to launch from Guiana Space Centre aboard a Russian Soyuz rocket this year.