409 results
409 results for: exoplanet
- Space
How a Harvard maverick forever changed our concept of the stars
At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.
- Planetary Science
In a first, astronomers spot the afterglow of an exoplanet collision
A surge of infrared light from a remote star might have been a glow cast by the vaporized leftovers of an impact between Neptune-sized worlds.
- Astronomy
50 years ago, astronomers challenged claims that Barnard’s star has a planet
Astronomers have been searching for planets around the sun’s close neighbor for decades.
- Astronomy
The North Star is much heavier than previously thought
Polaris is about five times as massive as the sun, new observations reveal. That’s around 50 percent heavier than what an earlier study found.
- Space
A planet needs to start with a lot of water to become like Earth
Rocky planets around fiery stars could hide their water for later use, but it takes 3 to 8 times the amount in our world’s oceans to end up Earthlike.
- Space
See how the Hubble Space Telescope is still revolutionizing astronomy
Hubble is still going strong 35 years after it was launched into space. Celebrate its anniversary with some out-of-this-world images.
- Planetary Science
New Horizons visited Pluto 10 years ago. We’re still learning from it
Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.
- Space
The Vera Rubin Observatory is ready to revolutionize astronomy
Sporting the world’s largest digital camera, the new telescope is poised to help solve some of the universe’s biggest mysteries.
- Astronomy
How tiny red stars can test ideas about the origin of life
A survey of ultracool dwarf stars finds they don’t emit enough UV light to kick-start life, but they could reveal other ways for life to get going.
- Space
NASA’s budget woes put ambitious space research at risk
Mars Sample Return and missions to study other planets and celestial bodies, including lunar efforts, face big cuts and delays.
- Astronomy
The first radiation belt outside the solar system has been spotted
Encircling a Jupiter-sized body about 18 light-years from Earth, the radiation belt is 10 million times as bright as the ones around Jupiter.
- Space
Clara Sousa-Silva seeks molecular signatures of life in alien atmospheres
Quantum astrochemist Clara Sousa-Silva studies how molecules in space interact with light, offering clues to what distant objects are made of.
