
Can Astronomers and Satellite Operators Learn to Share the Sky?
Satellite streaks are ruining astronomical images. Can scientists and space companies find solutions before it’s too late?

Can Astronomers and Satellite Operators Learn to Share the Sky?
Satellite streaks are ruining astronomical images. Can scientists and space companies find solutions before it’s too late?

NASA’s Plan for a Nuclear Reactor on the Moon Could Be a Lunar Land Grab
Spurred by competition from China and Russia, the Trump administration is pushing for nuclear power on the moon by 2030


Science Agency Staffers Speak Out about Trump Administration’s Actions
Hundreds of staffers at the National Institutes of Health, Environmental Protection Agency, NASA and the National Science Foundation have signed public letters to leadership opposing the direction in which the agencies are headed

Russia’s Space Program Is Another Casualty of the War in Ukraine
To achieve its ambitious plans for missions to the moon and beyond, Russia needs other spacefaring nations as partners. But the war in Ukraine is making that help increasingly hard to find

How Does a Gravitational Slingshot Work?
Spacecraft can get a significant boost by stealing energy from planets

Behold the First Images of the Sun’s South Pole
Solar Orbiter isn’t the first spacecraft to study the sun’s poles—but it’s the first to send back photographs

The Trump-Musk Fight Could Have Huge Consequences for U.S. Space Programs
A vitriolic war of words between President Donald Trump and SpaceX CEO Elon Musk could have profound repercussions for the nation’s civil and military space programs

Why Do We Launch Space Telescopes?
Telescopes in space give us a view we literally cannot get from the ground

SpaceX’s Ninth Starship Test Flight Delivers Mixed Results
The largest, most powerful launch vehicle ever built is meant to be a key part of SpaceX’s plans to send humans to Mars—and NASA’s plans to return astronauts to the moon, too

Why Some Experts Call Trump’s ‘Golden Dome’ Missile Shield a Dangerous Fantasy
The White House’s $175-billion plan to protect the U.S. from nuclear annihilation will probably cost much more—and deliver far less—than has been claimed, says nuclear arms expert Jeffrey Lewis

Remember VIPER, NASA’s Off-Again, On-Again Lunar Rover? It’s Still in Limbo
NASA’s nearly complete yet canceled lunar rover VIPER isn’t going to get carried to the moon by a private space exploration company—but it’s also not quite dead yet

Venus Isn’t (Geologically) Dead
A reappraisal of decades-old data suggests that strange circular formations on Venus could be volcanic “rings of fire” created by ongoing geological activity