MIT astronomer Sara Seager has a quest: to find a second Earth. That scientific quest has developed and persisted against the backdrop of a personal life full of adventure, love and heartbreak.
Suddenly, a mission to investigate whether Venus might be hospitable to life after all doesn't seem quite so outlandish.
For 18 months, NASA has focused on landing astronauts in 2024 near the moon's south pole, but that last piece of the directive may need to take a back seat if executing the mission gets too tricky.
Each star system is a unique paintbrush in the cosmos, and astronomers are finally beginning to understand why.
Hurricane Sally made landfall in Alabama as a Category 2 storm early Wednesday morning (Sept. 16) as satellites monitored the storm from space.
We're officially nine months into solar cycle 25, scientists have confirmed, and it will likely look much like its predecessor, which ran from 2008 to 2019.
A chemical you've likely never heard of has burst into the news thanks to scientists' announcement that they have detected phosphine, which they say may be a sign of life, in the clouds of Venus.
Discovering life beyond Earth may well start with a sniff, a whiff of some chemical that scientists struggle to explain without invoking a strange, shadowy microbe.
Once again, scientists have realized that when it comes to dark matter, they are missing a piece or two of the puzzle.
For black holes, a collision doesn't have to be a once-in-a-lifetime experience, new research suggests.
Galactic halos are both more massive and more complicated than scientists realized, according to new observations from the Hubble Space Telescope.
A long-retired NASA satellite burned up in Earth's atmosphere over the weekend, the agency has confirmed.
NASA's Lucy spacecraft is one step closer to getting up close and personal with a host of strange space rocks as assembly begins.
A NASA-contracted lunar lander bound for the moon's South Pole will launch on a SpaceX rocket in late 2022.
The United Arab Emirates' first-ever interplanetary mission is well on its way to Mars and has the photos to prove it.
A unique satellite has joined the fleet of orbital eyes keeping watch over Hurricane Laura as it approaches the Gulf Coast.
NASA has added a third astronaut to the crew preparing to fly on the first operational mission of Boeing's Starliner capsule to the International Space Station: Jeanette Epps.
NASA's InSight Mars lander can detect a nearly imperceptible tilt caused by the planet's moon Phobos passing in front of the sun, scientists have realized.
If you've seen a worrying headline about an asteroid passing too close for comfort on Nov. 2, the day before the U.S. heads to the polls, NASA wants you to take a deep breath and relax.
The Japanese space startup ispace is launching a new "Blueprint Moon" data analysis service on top of its plans for private lunar landings after raising $28 million in new investments.