An insurgent who challenged the academic establishment and became a foremost expert on the aging of galaxies, she was eventually forced to choose between family and career.
The latest survey of the region around the gas giant turned up a dozen new moons, including an oddball that was going in the wrong direction.
Deep in a mountain in southern Russia, scientists are tracking one of the universe’s most elusive particles.
For the first time, astronomers followed cosmic neutrinos into the fire-spitting heart of a supermassive blazar.
As head of the camera team for the Voyager mission, Dr. Smith was humanity’s tour guide to the solar system.
During aphelion, our planet receives 7 percent less sunlight than in January, but changes in the planet’s orbit are not what causes our seasons.
She gave up designing skyscrapers to develop structures that would help travelers live on the International Space Station, Mars or the moon.
The successor to the Hubble has had a series of mishaps during testing. An independent review board pushed back the launch for three years.
First Oumuamua was an alien comet, then maybe a spaceship, then an asteroid, now it’s a comet from way, way beyond.
After a journey that started in 2014, the probe will reach the space rock on Wednesday to begin studying it for clues to the solar system’s origins.
The Pentagon has been cool to the president’s order to create a sixth military branch. But some lawmakers and aerospace experts, citing threats from Russia and China, say a case could be made for one.
As you mark the longest day of the year, consider the debate among astronomers over whether Earth’s tilt toward the sun helps make life on our world and others possible.
The idea has troubled lawmakers and even some members of the administration, who have cautioned that it could create unnecessary bureaucratic responsibilities for a military burdened by conflicts.
Astronomers thought they saw an exploding star, but in fact it was a star having its guts ripped out by a black hole.
Two years ago, NASA dismissed and mocked an amateur’s criticisms of its asteroids database. Now Nathan Myhrvold is back, and his papers have passed peer review.
The storm, which has blanketed a quarter of the planet, has plunged the rover into a “dark, perpetual night.”
Even as astronomers await a verdict on construction of a huge telescope on Mauna Kea, they are still trying to figure out how to pay for the next stargazing Goliaths.
The identification of organic molecules in rocks on the red planet does not necessarily point to life there, past or present, but does indicate that some of the building blocks were present.