Astronomers have observed a so-called standard candle supernova generating clouds of cosmic dust, bringing us a step closer to understanding the life and death cycle of stars.
Space News & Blog Articles
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'We are approaching the tipping point': Marker for the collapse of key Atlantic current discovered
A vital Atlantic current that includes the Gulf Stream and keeps our climate in check may be giving off a warning sign of collapse.
Live coverage: SpaceX Falcon 9 rocket to launch Indonesian satellite from Cape Canaveral
Indonesia’s Merah Putih 2 awaits launch inside the payload fairing of a SpaceX Falcon 9 rocket at Cape Canaveral. Image: Adam Bernstein/Spaceflight Now.
Indonesia aims to increase broadband internet access across its country through the launch of its latest communications satellite aboard a SpaceX Falcon 9 rocket. The Telkomsat HTS 113BT satellite, also referred to as Merah Putih 2, is set to launch from Cape Canaveral Space Force Station at 3:11 p.m. EST (2011 UTC).
SpaceX launches Indonesian communications satellite to orbit (video)
SpaceX launched the Merah Putih 2 satellite for Indonesian communications company Telkomsat today (Feb. 20).
Black hole-like 'gravastars' could be stacked like Russian tea dolls
A new solution to Einstein's theory of general relativity suggests a hypothetical star could be made of stacked black holes.
Very Large Telescope snaps gorgeous shot of Milky Way's star-studded core (photo)
A new view from the European Southern Observatory's Very Large Telescope captures the abundant star-forming region at the center of the Milky Way.
Massive underground laboratory in China joins the quest to find dark matter
A renovated Chinese underground lab has expanded the search for dark matter, offering new promise for the detection of this abundant yet elusive substance.
Australia seeks public help to design its 1st moon rover, Roo-ver
The Australian Space Agency is building a moon rover called "Roo-ver," slated to launch as early as 2026.
South Pole Telescope has a 'treasure map' to the secrets of dark matter
A new camera on the South Pole Telescope has used the Cosmic Microwave Background as a celestial treasure map that could lead to the secrets of dark matter.
Japan's New H3 Rocket Successfully Blasts Off
Japan successfully tested its new flagship H3 rocket after an earlier version failed last year. The rocket lifted off from the Tanegashima Space Center on Saturday, February 17, reaching an orbital altitude of about 670 kilometers (420 miles). It deployed a set of micro-satellites and a dummy satellite designed to simulate a realistic payload.
Major X-ray sky survey could relieve crisis surrounding the universe's 'lumpiness'
Observations of galactic clusters made by the eROSITA X-ray all-sky survey could help solve a troubling tension in cosmology surrounding the 'lumpiness' of matter in the universe.
For this dead star, 72 years is a single Earth day
Astronomers have discovered a remarkable binary system in which a dead white dwarf star orbits a tiny stellar companion 72 times in 24 hours. The observation could help explain how tiny stars are born.
Gravastars are an Alternative Theory to Black Holes. Here's What They'd Look Like
One of the central predictions of general relativity is that in the end, gravity wins. Stars will fuse hydrogen into new elements to fight gravity and can oppose it for a time. Electrons and neutrons exert pressure to counter gravity, but their stability against that constant pull limits the amount of mass a white dwarf or neutron star can have. All of this can be countered by gathering more mass together. Beyond about 3 solar masses, give or take, gravity will overpower all other forces and collapse the mass into a black hole.
European Satellite ERS-2 to Reenter Earth’s Atmosphere This Week
One of the largest reentries in recent years, ESA’s ERS-2 satellite is coming down this week.
Star Trek's Seven of Nine returns in new novel 'Picard: Firewall' (exclusive)
Space.com has an exclusive excerpt from New York Times bestselling author David Mack's "Picard: Firewall," a new Star Trek novel featuring former Borg drone Seven of Nine.
Brightest quasar ever seen is powered by black hole that eats a 'sun a day'
Astronomers have discovered a quasar that remained hidden for over the years is the brightest ever, powered by the fastest growing black hole ever discovered that eats a sun every day.
Build your own moon base and explore the lunar surface in 'Moonshot' (video)
The new lunar simulation video game "Moonshot" offers players the chance to build and manage their own settlements on the moon's surface.
NASA's twin spacecraft will go to the ends of the Earth to combat climate change
In Spring 2024, NASA will launch two tiny twin satellites as part of the PREFIRE mission that will journey to the poles to collect data that will help monitor climate change.
Varda's 1st in-space manufacturing capsule to land in Utah this week
Varda Space Industries' first off-Earth manufacturing effort, a mission called W-1, is scheduled to land in northern Utah on Wednesday (Feb. 21).
Look at How Much the Sun Has Changed in Just Two Years
The solar cycle has been reasonably well understood since 1843 when Samuel Schwabe spent 17 years observing the variation of sunspots. Since then, we have regularly observed the ebb and flow of the sunspots cycle every 11 years. More recently ESA’s Solar Orbiter has taken regular images of the Sun to track the progress as we head towards the peak of the current solar cycle. Two recently released images from February 2021 and October 2023 show how things are really picking up as we head toward solar maximum.
Big, doomed satellite seen from space as it tumbles towards a fiery reentry on Feb. 21 (photos)
Non-Earth imaging company HEO Robotics captured breathtaking images of ESA's ERS-2 satellite as it tumbles towards an atmospheric reentry on Feb. 21.
