When the JWST finally began its long-awaited science operations in July 2022, there was a long list of targets awaiting its attention. Scientists compete for observing time by submitting proposals, and for every nine submitted proposals, only one gets approved. In the most recent Cycle 4 of the telescope's mission, scientists requested about 78,000 hours of observing time when only about 8700 were available.
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The Messy Habits Of Small Black Holes
The best opportunity to study black holes is when they're actively accreting matter. During these times, matter gathers in an accretion disk around the black hole, where it heats up and emits electromagnetic radiation. At other times, there's simply no light.
Spacecraft launcher named for robot in 'Interstellar' could help us reach another star system. Here's how
A new low-cost concept for interstellar travel combines solar power with a slingshot, but it would take a long time to reach the stars.
Comet C/2025 A6 (Lemmon) is approaching Earth — will it become visible to the naked eye?
The comet will come closest to Earth on Oct. 20. There's hope that it may become bright enough to glimpse with the naked eye.
SpaceX test fires next Super Heavy booster for Starship's 11th upcoming launch (video)
SpaceX conducted a static-fire test with Super Heavy booster B15 on Sunday (Sept. 7), preparing the booster for Starship's Flight Test 11 — a fast turnaround from their successful Flight 10 launch two weeks ago.
The September Epsilon Perseids meteor shower peaks predawn on Sept. 9.
The shooting stars appear to emanate from a patch of space in the constellation Perseus.
'EVE Online''s space survival spinoff uses realistic simulations and algorithms to build a whole new universe (exclusive)
'EVE Frontier' developers Helgi Freyr Rúnarsson and Guðlaugur Jóhannesson talk galaxy merger models, black holes, and the thin line between science and fun.
Is A Young Exoplanet Warping The Disk Around Fomalhaut?
Fomalhaut is one of the brightest stars in the night sky and is about 25 light-years away, making it a galaxy amenable to detailed observations. It's also a young star, only about 440 million years old. At that age, stars like Fomalhaut are surrounded by active debris disks made of rock and dust from collisions between planetesimals. Exoplanets form in these disks, and one of the hot topics in exoplanet science concerns how planets form in these circumstellar disks.
ISS astronaut Jonny Kim says controlling robots on Earth felt like playing video games: 'This demo brought me right back'
The only problem with being an astronaut? Less time for video gaming.
Live coverage: SpaceX to launch Indonesian communications satellite from Cape Canaveral
An artist’s rendering of the Nusantara Lima satellite in gestationary Earth orbit. Graphic: Boeing
An Indonesian company is looking to improve its space-based communications service with a state-of-the-art Boeing-built satellite bound for geostationary orbit.
US Congress is holding a UFO hearing tomorrow about 'restoring public trust.' Here's how to watch live
A U.S. House of Representatives task force will once again hold a hearing on Sept. 9 to hear from witnesses who claim the U.S. government is hiding evidence of UFOs.
Does the nearby exoplanet TRAPPIST-1e support life? New James Webb Space Telescope data could help us find out
The James Webb Space Telescope has investigated the "Goldilocks zone" planet TRAPPIST-1e to search for a potential atmosphere and hints of habitability.
Juno spacecraft finds auroral 'footprints' of Jupiter's moon Callisto for 1st time
Yes, even Jupiter's moons produce auroras.
1st known interstellar visitor 'Oumuamua is an 'exo-Pluto' — a completely new class of object, scientists say
"'Oumuamua is in a different category of object. It's much harder to find, but there are a lot more of them."
South Pole Telescope beneath a rainbow of colors | Space photo of the day for Sept. 8, 2025
A panorama captures a breathtaking view of the night sky above a frozen landscape.
From the Sun to the Stars, Astronomy in Photos
New observations reveal turbulent flows in the supernova remnant Cassiopeia A and in the solar corona.
Scientists Release the Latest Gravitational-wave Detections
The number of gravitational-wave signals has just doubled with the release of the newest catalog of events.
Exoplanet In A Ring Gap Shows How Protoplanets Can Shape Their Environment
Circumstellar discs are believed to be key components in planetary formation. However, we have very little actual evidence of planets growing in the “rings” that surround young stars. So planet formation theorists were ecstatic to learn that two new papers in Astrophysical Journal Letters describe a planet that is actively forming in the gap it most likely created in the ring system of a young, Sun-like star.
Blood moon wows skywatchers worldwide: Best photos of the September 2025 total lunar eclipse
See spectacular photos from the Sept. 7-8 total lunar eclipse.
See the blood moon rise in 1st pictures of September 2025 total lunar eclipse
See the first photos of September's majestic total lunar eclipse.
Life on Earth Probably Got Some Help From Space
The greatest challenge facing astrobiologists is that there is only one planet known to us that has life. Of all the bodies of the Solar System, only Earth has a dense atmosphere, liquid water on its surface, and the organic chemistry that supports life. However, these conditions did not exist billions of years ago when Earth was still young. While the nebula from which the planets formed was rich in volatile elements, the high temperatures in the inner Solar System largely prevented them from condensing, leaving them mostly in a gaseous state.
