Polymele and its small moon: how an occultation revealed a satellite about 5 km across
On March 27, 2022, the Lucy mission science team observed a stellar occultation by Polymele, a Jupiter Trojan asteroid. Of the 14 teams that repo...
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On March 27, 2022, the Lucy mission science team observed a stellar occultation by Polymele, a Jupiter Trojan asteroid. Of the 14 teams that repo...
NASA announced on October 15, 2026, that registration is open for the NASA Space Apps Challenge 2026. The global hackathon will take place on Sat...
NASA scheduled Crew-13, a SpaceX flight carrying four crew members to the International Space Station, for October 1, 2026, at 11:10 a.m. EDT. It...
The James Webb Space Telescope identified Beta Pictoris d through molecular signals, not merely as a bright spot. Its mass and orbit remain estim...
The erratic movement of planets in the night sky challenged the geocentric view for centuries. The transition to heliocentrism, driven by Coperni...
NASA’s exoplanet page says that more than 6,300 worlds have been confirmed in the Milky Way. The figure sums up three decades of discoveries, but...
On October 13, 2026, SpaceX’s CRS-35 mission successfully launched from Florida. The Dragon spacecraft is carrying more than 6,300 pounds of supp...
High-contrast observations with the NIRC2 instrument at the W. M. Keck Observatory confirm Elias 2-24 b, a previously proposed planetary candidat...
The Voyager mission was initially designed to study Jupiter and Saturn, their rings and their largest moons. An unusual alignment of the outer pl...
The proposals assessed total more than 1.7 million satellites. In simulations, their effects could complicate ground-based observations; the resu...
“Planet parade” is not a single technical term: it can refer to several worlds that appear to form a line or arc in the sky, while “alignment” is...
Several sugars were identified in samples from asteroid Bennu, including glucose for the first time in an extraterrestrial sample. Researchers al...
The Nancy Grace Roman Space Telescope began a roughly three-month journey to the second Lagrange point of the Sun-Earth system. NASA detailed the...
On October 8, 2026, NASA announced a new step in LISA’s development: L3Harris Technologies will design, assemble and integrate a telescope Engine...
A team at NASA’s Glenn Research Center mixed biodegradable plastic with simulated lunar and Martian dust. The resulting material was stronger and...
The James Webb Space Telescope identified Beta Pictoris d mainly through the chemical fingerprint of its atmosphere. Follow-up observations and a...
Two astronomy resources show how very different observations are organized: Gaia maps stars and other objects, while NASA maintains an encycloped...
Announced on September 29, 2026, the HuLC challenge seeks proposals for lunar communications. Notices of intent are due October 15, and full prop...