Search results for brown dwarf

Plants & Animals Apr 1, 2025

How do coconuts get their water?

Coconut trees are iconic plants found across the world's tropical regions. They're called "nature's supermarket" or the "tree of life" in several cultures because every part of the coconut tree is used. Its leaves can be ...

Astrobiology Mar 18, 2025

Study reveals white dwarfs could host life-supporting planets

Florida Tech's Caldon Whyte is two years into a lengthy universe exploration to earn his Ph.D. in space sciences. After graduating with a Bachelor's degree in astrobiology in 2023, he's fascinated by white dwarf stars—the ...

Astronomy Mar 17, 2025

Two new brown dwarfs discovered with TESS

An international team of astronomers reports the detection of two new brown dwarfs orbiting distant stars using NASA's Transiting Exoplanet Survey Satellite (TESS). The newfound objects are about 30 times more massive than ...

Astronomy Mar 17, 2025

JWST captures its first direct images of carbon dioxide outside solar system

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a key target for planet formation ...

Astronomy Mar 11, 2025

Four tiny planets are orbiting one of our nearest stars

Astronomers have revealed new evidence that not just one, but four tiny planets are circling around Barnard's Star, the second-nearest star system to Earth.

Astronomy Mar 10, 2025

Webb peers deeper into mysterious Flame Nebula to find 'failed stars'

The Flame Nebula, located about 1,400 light-years away from Earth, is a hotbed of star formation less than 1 million years old. Within the Flame Nebula, there are objects so small that their cores will never be able to fuse ...

Planetary Sciences Mar 5, 2025

Discovery of potential exoplanet companion to hot Jupiter TOI-2818b offers clues to planet formation

Scientists from UNSW Sydney have located a potential new exoplanet—a planet that orbits a star outside of our solar system—using a technique known as "transit timing variation."

Astrobiology Mar 3, 2025

Webb exposes complex atmosphere of starless super-Jupiter

An international team of researchers has discovered that previously observed variations in brightness of a free-floating planetary-mass object known as SIMP 0136 must be the result of a complex combination of atmospheric ...

Astronomy Feb 27, 2025

Hydrogen cyanide and acetylene detected in a brown dwarf atmosphere for the first time

Using the James Webb Space Telescope (JWST), an international team of astronomers has explored the atmosphere of a nearby brown dwarf binary designated WISE J045853.90+643451.9. As a result, they detected hydrogen cyanide ...

Planetary Sciences Feb 24, 2025

Jupiter-like exoplanet orbiting nearby star detected

Israeli astronomers report the detection of a new Jupiter-like exoplanet using the High Accuracy Radial velocity Planet Searcher (HARPS). The newfound alien world orbits a nearby M-dwarf star designated GJ 2126. The discovery ...

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