NASA’s Psyche Spacecraft, Exploring Solar System Origins, Is Back on Track after Thrusters Lost Power
This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began
How Does a Gravitational Slingshot Work?
Spacecraft can get a significant boost by stealing energy from planets
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This Is Why the Sun Makes a Figure Eight in the Sky
A curious celestial phenomenon known as the analemma is a reflection of Earth’s orbit and tilted axis
Futuristic Radio Telescope Will Spot Baby Solar Systems—If It’s Funded
A new telescope project called the Next-Generation Very Large Array will revolutionize radio astronomy if it gets the funding it needs
Federal Budget Cuts Would Sabotage NASA’s Plans to Find Alien Life
NASA’s astrobiology ambitions are at risk of collapsing under the White House’s proposed budget. But your voice can make a difference
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
How NASA Can Make the Moon Great Again
An unhinged 2026 U.S. budget proposal would hollow NASA to a husk bent to Elon Musk’s whims. Only one mission can save the space agency
What the Amazon versus SpaceX Satellite Mega Constellation War Means for Earth
Amazon has launched its first operational Project Kuiper satellites in its attempt to compete with SpaceX’s Starlink—but experts remain concerned about space debris and astronomy
How Many Rogue Planets Roam the Milky Way?
According to new simulations, many, even most, planets get ejected from their star early in their history
JWST’s Next Year of Amazing Science Revealed—As Funding Worries Loom Large
The next year of science on the James Webb Space Telescope has been announced amid mounting budgetary uncertainty that could affect the unparalleled observatory
What Makes a Moon?
Defining the word “moon” is harder than you might think
‘Space Advertising’ Could Outshine the Stars—Unless It’s Banned First
Astronomers are racing to protect the dark skies as private companies seek to place large advertisements in Earth orbit