
Why Does the Moon Look Bigger Near the Horizon?
The rising moon looks huge on the horizon, but it’s all in your head
Why Does the Moon Look Bigger Near the Horizon?
The rising moon looks huge on the horizon, but it’s all in your head
SpaceX Catches a Falling Starship—A First in Spaceflight History
SpaceX’s fifth Starship flight test concluded with mechanical arms snatching the descending rocket booster out of the air
Read all the stories you want.
A Weird Form of Dark Energy Might Solve a Cosmic Conundrum
Estimates of how fast the universe is expanding disagree. Could a new form of dark energy resolve the problem?
Should We Abandon the Leap Second?
We have been adding “leap seconds” to time kept by our atomic clocks, but soon we may have to subtract one. Are the tiny adjustments worth the bother?
Book Review: Fifty years later, Ursula K. Le Guin’s Novel about Utopian Anarchists Is as Relevant as Ever
In The Dispossessed, a physicist is caught between societies
The Untold Story of Marie Curie’s Network of Female Scientists
Marie Curie is well known for her chemistry achievements but less so for helping other women succeed in science
NASA’s Europa Clipper Spacecraft Aims for Jupiter’s Most Intriguing Moon
For the first time, we are sending a spacecraft to explore an alien ocean world—a moon that might host life today
AI Comes to the Nobels: Double Win Sparks Debate about Scientific Fields
While many researchers celebrated this year’s chemistry and physics prizes, others were disappointed by the focus on computational methods
A ‘Once-in-a-Lifetime’ Nova Explosion Is Running Late
The famous exploding star T Coronae Borealis is due to detonate any day now, but it’s running a little late
Europe’s Hera Mission Launches to Visit an Asteroid Smacked by NASA
Hera will arrive in 2026 at Dimorphos, an asteroid deliberately struck by NASA’s DART spacecraft
Nobel Prize in Physics Awarded for Breakthroughs in Machine Learning
The 2024 Nobel Prize in Physics was given to John Hopfield and Geoffrey Hinton for development of techniques that laid the foundation for revolutionary advances in artificial intelligence
Astronomers Spot a ‘Super-Mars’ Exoplanet around Barnard’s Star
Claims of worlds orbiting Barnard’s star have been made before. But an advanced instrument could provide the breakthrough that finally confirms the star hosts a planetary system