399 results
399 results for: exoplanet
- Space
‘Star Wars’ holds clues to making speedier spacecraft in the real world
Controlled fusion, solar sails or ion engines could someday help spaceships travel between star systems.
- Astronomy
The universe’s first supernovas probably produced water
Water may have formed less than 200 million years after the Big Bang, suggesting some conditions for life existed far earlier than previously thought.
- Astronomy
A dwarf galaxy just might upend the Milky Way’s predicted demise
The Milky Way may merge with the Large Magellanic Cloud in 2 billion years, not Andromeda, contrary to previous findings.
- Cosmology
A map of 14 million galaxies and quasars deepens a dark energy mystery
The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.
- Astronomy
Barnard’s star has at least one planet orbiting it after all
After decades of searching, a telltale gravitational wobble points to an exoplanet orbiting the nearby red dwarf every 3.15 days.
- 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.
- 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.
