Forty light-years away, seven Earth-sized planets orbit around a dim red dwarf star in one of the most tightly packed planetary systems ever discovered. The TRAPPIST-1 system has captivated astronomers
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Webb's Picture of the Month Features Two Planet-Forming Disks and a Possible Planet
Two images of protoplanetary disks side-by-side. The left image shows a dark horizontal band covering the star, with broad, colorful, conical outflows above and below it, and a narrow jet
A Mercury Rover Could Explore the Planet by Sticking to the Terminator
A Mercury lander mission would create opportunities to sample unique geological features. However, extreme temperature fluctuations on Mercury’s surface pose challenges for exploration on the planetary surface. In a narrow
Improved thresholds and SSA accuracy can reduce most satellite collision risk
WASHINGTON — Improving the accuracy of space situational awareness (SSA) data and using tighter thresholds for potential conjunctions can help retire most of the risk of satellite collisions in low
A New Class of Star: Merger Remnant
In the vastness of the Universe, any new object with interesting properties can spur the search for similar objects, potentially establishing a new class of stars. In a paper published
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Size matters when it comes to telescopes. The bigger they are, the farther they can see. Prioritizing constructing large ones is therefore high on the priority list for many observational
View larger. | Artist’s concept of scorching hot TOI-561 b and its sunlike star. New observations by NASA’s James Webb Space Telescope show there is a dense atmosphere on lava
In 2024, astronomers discovered the brightest Luminous Fast Blue Optical Transient (LFBOT) ever observed. LFBOTs are extremely bright flashes of blue light that shine for brief periods before fading away.
Today’s ESA/Hubble Picture of the Week highlights another view of a distant stellar birthplace. Captured in a parallel field to a recently released image, this scene reveals a neighbouring region of the N159
The European Space Agency’s Hubble Space Telescope has captured a stunning new image of a star-forming region located within the N159 complex, part of the Large Magellanic Cloud, which is
The European Space Agency’s Hubble Space Telescope has captured a stunning new image of a star-forming region located within the N159 complex, part of the Large Magellanic Cloud, which is
The Atacama Millimeter/Submillimeter Array (ALMA), the world’s most powerful radio telescope, has received 145 new low-noise amplifiers (LNAs) that will increase its range and sensitivity.
For the first time, astronomers have caught a stellar nursery in the act of blowing giant celestial bubbles, revealing a massive outflow of gas stretching over 650 light-years from one
SpaceX is making strides in its Starship program with the successful testing of a specialized transport barge designed to ferry enormous Starship vehicles from its Starbase facility in Texas to
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